{"id":101518,"date":"2020-02-01T15:15:21","date_gmt":"2020-02-01T13:15:21","guid":{"rendered":"https:\/\/www.javacodegeeks.com\/?p=101518"},"modified":"2020-01-22T13:31:52","modified_gmt":"2020-01-22T11:31:52","slug":"java-mail-sent-over-ssl","status":"publish","type":"post","link":"https:\/\/www.javacodegeeks.com\/2020\/02\/java-mail-sent-over-ssl.html","title":{"rendered":"Java Mail Sent Over SSL"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Abstract<\/h2>\n<p>The purpose of this blog is to demonstrate how to use Java Mail to send an email using an SMTP server with an SSL connection.<\/p>\n<h2 class=\"wp-block-heading\">Disclaimer<\/h2>\n<p>This post is solely informative. Critically think before using any information presented. Learn from it but ultimately make your own decisions at your own risk.<\/p>\n<h2 class=\"wp-block-heading\">Requirements<\/h2>\n<p>I did all of the work for this post using the following major technologies. You may be able to do the same thing with different technologies or versions, but no guarantees.<\/p>\n<ul class=\"wp-block-list\">\n<li>NetBeans 11.2<\/li>\n<li>Maven 3.3.9 (bundled with NetBeans)<\/li>\n<li>Java 11 (zulu11.35.15-ca-jdk11.0.5-win_x64)<\/li>\n<\/ul>\n<div>\n<div id=\"highlighter_600258\" class=\"syntaxhighlighter  java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"gutter\">\n<div class=\"line number1 index0 alt2\">1<\/div>\n<div class=\"line number2 index1 alt1\">2<\/div>\n<div class=\"line number3 index2 alt2\">3<\/div>\n<div class=\"line number4 index3 alt1\">4<\/div>\n<div class=\"line number5 index4 alt2\">5<\/div>\n<div class=\"line number6 index5 alt1\">6<\/div>\n<\/td>\n<td class=\"code\">\n<div class=\"container\">\n<div class=\"line number1 index0 alt2\"><code class=\"java plain\">&lt;dependency&gt;<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java plain\">&lt;groupId&gt;javax.mail&lt;\/groupId&gt;<\/code><\/div>\n<div class=\"line number3 index2 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java plain\">&lt;artifactId&gt;mail&lt;\/artifactId&gt;<\/code><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java plain\">&lt;version&gt;<\/code><code class=\"java value\">1.4<\/code><code class=\"java plain\">&lt;\/version&gt;<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java plain\">&lt;scope&gt;test&lt;\/scope&gt;<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java plain\">&lt;\/dependency&gt;<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">Download<\/h2>\n<p>Visit my GitHub page <a href=\"https:\/\/github.com\/mjremijan\">https:\/\/github.com\/mjremijan<\/a> to see all of my open source projects. The code for this post is located at <a title=\"thoth-email\" href=\"https:\/\/github.com\/mjremijan\/thoth-email\">https:\/\/github.com\/mjremijan\/thoth-email<\/a> in the <a title=\"thoth-email-via-ssl\" href=\"https:\/\/github.com\/mjremijan\/thoth-email\/tree\/master\/thoth-email-via-ssl\">https:\/\/github.com\/mjremijan\/thoth-email\/tree\/master\/thoth-email-via-ssl<\/a> module.<\/p>\n<h2 class=\"wp-block-heading\">Properties<\/h2>\n<p>This example uses an <code>smtp-ssl-yahoo.properties<\/code> file to hold the SMTP server information. I used my personal Yahoo! account for testing, hence the use of the word <code>yahoo<\/code> in the name of the properties file. What\u2019s important are the contents of the file, shown in Listing 1.<\/p>\n<h2 class=\"wp-block-heading\">Listing 1 &#8211; Properties file<\/h2>\n<div>\n<div id=\"highlighter_162072\" class=\"syntaxhighlighter  java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"gutter\">\n<div class=\"line number1 index0 alt2\">01<\/div>\n<div class=\"line number2 index1 alt1\">02<\/div>\n<div class=\"line number3 index2 alt2\">03<\/div>\n<div class=\"line number4 index3 alt1\">04<\/div>\n<div class=\"line number5 index4 alt2\">05<\/div>\n<div class=\"line number6 index5 alt1\">06<\/div>\n<div class=\"line number7 index6 alt2\">07<\/div>\n<div class=\"line number8 index7 alt1\">08<\/div>\n<div class=\"line number9 index8 alt2\">09<\/div>\n<div class=\"line number10 index9 alt1\">10<\/div>\n<div class=\"line number11 index10 alt2\">11<\/div>\n<div class=\"line number12 index11 alt1\">12<\/div>\n<div class=\"line number13 index12 alt2\">13<\/div>\n<div class=\"line number14 index13 alt1\">14<\/div>\n<div class=\"line number15 index14 alt2\">15<\/div>\n<div class=\"line number16 index15 alt1\">16<\/div>\n<div class=\"line number17 index16 alt2\">17<\/div>\n<div class=\"line number18 index17 alt1\">18<\/div>\n<div class=\"line number19 index18 alt2\">19<\/div>\n<div class=\"line number20 index19 alt1\">20<\/div>\n<div class=\"line number21 index20 alt2\">21<\/div>\n<div class=\"line number22 index21 alt1\">22<\/div>\n<div class=\"line number23 index22 alt2\">23<\/div>\n<div class=\"line number24 index23 alt1\">24<\/div>\n<div class=\"line number25 index24 alt2\">25<\/div>\n<div class=\"line number26 index25 alt1\">26<\/div>\n<div class=\"line number27 index26 alt2\">27<\/div>\n<div class=\"line number28 index27 alt1\">28<\/div>\n<div class=\"line number29 index28 alt2\">29<\/div>\n<div class=\"line number30 index29 alt1\">30<\/div>\n<div class=\"line number31 index30 alt2\">31<\/div>\n<div class=\"line number32 index31 alt1\">32<\/div>\n<div class=\"line number33 index32 alt2\">33<\/div>\n<div class=\"line number34 index33 alt1\">34<\/div>\n<div class=\"line number35 index34 alt2\">35<\/div>\n<div class=\"line number36 index35 alt1\">36<\/div>\n<div class=\"line number37 index36 alt2\">37<\/div>\n<div class=\"line number38 index37 alt1\">38<\/div>\n<div class=\"line number39 index38 alt2\">39<\/div>\n<\/td>\n<td class=\"code\">\n<div class=\"container\">\n<div class=\"line number1 index0 alt2\"><code class=\"java plain\"># This is the name of the SMTP host machine.<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java plain\">host=<\/code><\/div>\n<div class=\"line number3 index2 alt2\">&nbsp;<\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java plain\"># This is the port number of the SMTP host machine.<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java plain\"># The same host may support both SSL and TLS but on<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java plain\"># different ports. So make sure you get the SSL port.<\/code><\/div>\n<div class=\"line number7 index6 alt2\"><code class=\"java plain\">port=<\/code><\/div>\n<div class=\"line number8 index7 alt1\">&nbsp;<\/div>\n<div class=\"line number9 index8 alt2\"><code class=\"java plain\"># This is what you use in the \u201cusername\u201d field when<\/code><\/div>\n<div class=\"line number10 index9 alt1\"><code class=\"java plain\"># you login. Typically <\/code><code class=\"java keyword\">this<\/code> <code class=\"java plain\">is the same as your email<\/code><\/div>\n<div class=\"line number11 index10 alt2\"><code class=\"java plain\"># address, but <\/code><code class=\"java keyword\">this<\/code> <code class=\"java plain\">isn\u2019t always the <\/code><code class=\"java keyword\">case<\/code><code class=\"java plain\">.<\/code><\/div>\n<div class=\"line number12 index11 alt1\"><code class=\"java plain\">username=<\/code><\/div>\n<div class=\"line number13 index12 alt2\">&nbsp;<\/div>\n<div class=\"line number14 index13 alt1\"><code class=\"java plain\"># This is what you use in the \u201cpassword\u201d field when<\/code><\/div>\n<div class=\"line number15 index14 alt2\"><code class=\"java plain\"># you login. This value is CLEAR TEXT, so keep <\/code><code class=\"java keyword\">this<\/code><\/div>\n<div class=\"line number16 index15 alt1\"><code class=\"java plain\"># properties file safe.<\/code><\/div>\n<div class=\"line number17 index16 alt2\"><code class=\"java plain\">password=<\/code><\/div>\n<div class=\"line number18 index17 alt1\">&nbsp;<\/div>\n<div class=\"line number19 index18 alt2\"><code class=\"java plain\"># This is the email address you want <\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">the<\/code><\/div>\n<div class=\"line number20 index19 alt1\"><code class=\"java plain\"># email\u2019s FROM field. Enter the value using<\/code><\/div>\n<div class=\"line number21 index20 alt2\"><code class=\"java plain\"># the format shown below. Typically <\/code><code class=\"java keyword\">this<\/code> <code class=\"java plain\">is<\/code><\/div>\n<div class=\"line number22 index21 alt1\"><code class=\"java plain\"># just your email address <\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">the account.<\/code><\/div>\n<div class=\"line number23 index22 alt2\"><code class=\"java plain\">from=FIRSTNAME LASTNAME &lt;ADDRESS<\/code><code class=\"java color1\">@EMAIL<\/code><code class=\"java plain\">.COM&gt;<\/code><\/div>\n<div class=\"line number24 index23 alt1\">&nbsp;<\/div>\n<div class=\"line number25 index24 alt2\"><code class=\"java plain\"># This is the email address you want <\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">the<\/code><\/div>\n<div class=\"line number26 index25 alt1\"><code class=\"java plain\"># email\u2019s REPLY_TO field. Enter the value using<\/code><\/div>\n<div class=\"line number27 index26 alt2\"><code class=\"java plain\"># the format shown below. Typically <\/code><code class=\"java keyword\">this<\/code> <code class=\"java plain\">is<\/code><\/div>\n<div class=\"line number28 index27 alt1\"><code class=\"java plain\"># just your email address <\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">the account. Also<\/code><\/div>\n<div class=\"line number29 index28 alt2\"><code class=\"java plain\"># typically <\/code><code class=\"java keyword\">this<\/code> <code class=\"java plain\">is the same as `from` above.<\/code><\/div>\n<div class=\"line number30 index29 alt1\"><code class=\"java plain\"># But be warned, <\/code><code class=\"java keyword\">if<\/code> <code class=\"java plain\">an email\u2019s FROM and REPLY_TO <\/code><\/div>\n<div class=\"line number31 index30 alt2\"><code class=\"java plain\"># are different, that\u2019s may be flagged as spam<\/code><\/div>\n<div class=\"line number32 index31 alt1\"><code class=\"java plain\"># and never be delivered. So keep `from` and<\/code><\/div>\n<div class=\"line number33 index32 alt2\"><code class=\"java plain\"># `reply` the same <\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">initial testing<\/code><\/div>\n<div class=\"line number34 index33 alt1\"><code class=\"java plain\">reply=FIRSTNAME LASTNAME &lt;ADDRESS<\/code><code class=\"java color1\">@EMAIL<\/code><code class=\"java plain\">.COM&gt;<\/code><\/div>\n<div class=\"line number35 index34 alt2\">&nbsp;<\/div>\n<div class=\"line number36 index35 alt1\"><code class=\"java plain\"># This is the email address you want to send<\/code><\/div>\n<div class=\"line number37 index36 alt2\"><code class=\"java plain\"># the email to. For testing, it\u2019s a good idea<\/code><\/div>\n<div class=\"line number38 index37 alt1\"><code class=\"java plain\"># to send it to yourself first.<\/code><\/div>\n<div class=\"line number39 index38 alt2\"><code class=\"java plain\">to=FIRSTNAME LASTNAME &lt;ADDRESS<\/code><code class=\"java color1\">@EMAIL<\/code><code class=\"java plain\">.COM&gt;<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>Now that you have a properties file, next let\u2019s take a look at the code.<div style=\"display:inline-block; margin: 15px 0;\"> <div id=\"adngin-JavaCodeGeeks_incontent_video-0\" style=\"display:inline-block;\"><\/div> <\/div><\/p>\n<h2 class=\"wp-block-heading\">Code<\/h2>\n<p>This is a JUnit test demonstrating how to use Java Mail to send an email using an SMTP server with an SSL connection. Listing 2 shows the code.<\/p>\n<p><strong>NOTE<\/strong> For initial testing, always check your SPAM folder. A rule can always be added to deliver to your INBOX.<\/p>\n<h2 class=\"wp-block-heading\">Listing 2 &#8211; Java Mail example<\/h2>\n<div>\n<div id=\"highlighter_370862\" class=\"syntaxhighlighter  java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"gutter\">\n<div class=\"line number1 index0 alt2\">001<\/div>\n<div class=\"line number2 index1 alt1\">002<\/div>\n<div class=\"line number3 index2 alt2\">003<\/div>\n<div class=\"line number4 index3 alt1\">004<\/div>\n<div class=\"line number5 index4 alt2\">005<\/div>\n<div class=\"line number6 index5 alt1\">006<\/div>\n<div class=\"line number7 index6 alt2\">007<\/div>\n<div class=\"line number8 index7 alt1\">008<\/div>\n<div class=\"line number9 index8 alt2\">009<\/div>\n<div class=\"line number10 index9 alt1\">010<\/div>\n<div class=\"line number11 index10 alt2\">011<\/div>\n<div class=\"line number12 index11 alt1\">012<\/div>\n<div class=\"line number13 index12 alt2\">013<\/div>\n<div class=\"line number14 index13 alt1\">014<\/div>\n<div class=\"line number15 index14 alt2\">015<\/div>\n<div class=\"line number16 index15 alt1\">016<\/div>\n<div class=\"line number17 index16 alt2\">017<\/div>\n<div class=\"line number18 index17 alt1\">018<\/div>\n<div class=\"line number19 index18 alt2\">019<\/div>\n<div class=\"line number20 index19 alt1\">020<\/div>\n<div class=\"line number21 index20 alt2\">021<\/div>\n<div class=\"line number22 index21 alt1\">022<\/div>\n<div class=\"line number23 index22 alt2\">023<\/div>\n<div class=\"line number24 index23 alt1\">024<\/div>\n<div class=\"line number25 index24 alt2\">025<\/div>\n<div class=\"line number26 index25 alt1\">026<\/div>\n<div class=\"line number27 index26 alt2\">027<\/div>\n<div class=\"line number28 index27 alt1\">028<\/div>\n<div class=\"line number29 index28 alt2\">029<\/div>\n<div class=\"line number30 index29 alt1\">030<\/div>\n<div class=\"line number31 index30 alt2\">031<\/div>\n<div class=\"line number32 index31 alt1\">032<\/div>\n<div class=\"line number33 index32 alt2\">033<\/div>\n<div class=\"line number34 index33 alt1\">034<\/div>\n<div class=\"line number35 index34 alt2\">035<\/div>\n<div class=\"line number36 index35 alt1\">036<\/div>\n<div class=\"line number37 index36 alt2\">037<\/div>\n<div class=\"line number38 index37 alt1\">038<\/div>\n<div class=\"line number39 index38 alt2\">039<\/div>\n<div class=\"line number40 index39 alt1\">040<\/div>\n<div class=\"line number41 index40 alt2\">041<\/div>\n<div class=\"line number42 index41 alt1\">042<\/div>\n<div class=\"line number43 index42 alt2\">043<\/div>\n<div class=\"line number44 index43 alt1\">044<\/div>\n<div class=\"line number45 index44 alt2\">045<\/div>\n<div class=\"line number46 index45 alt1\">046<\/div>\n<div class=\"line number47 index46 alt2\">047<\/div>\n<div class=\"line number48 index47 alt1\">048<\/div>\n<div class=\"line number49 index48 alt2\">049<\/div>\n<div class=\"line number50 index49 alt1\">050<\/div>\n<div class=\"line number51 index50 alt2\">051<\/div>\n<div class=\"line number52 index51 alt1\">052<\/div>\n<div class=\"line number53 index52 alt2\">053<\/div>\n<div class=\"line number54 index53 alt1\">054<\/div>\n<div class=\"line number55 index54 alt2\">055<\/div>\n<div class=\"line number56 index55 alt1\">056<\/div>\n<div class=\"line number57 index56 alt2\">057<\/div>\n<div class=\"line number58 index57 alt1\">058<\/div>\n<div class=\"line number59 index58 alt2\">059<\/div>\n<div class=\"line number60 index59 alt1\">060<\/div>\n<div class=\"line number61 index60 alt2\">061<\/div>\n<div class=\"line number62 index61 alt1\">062<\/div>\n<div class=\"line number63 index62 alt2\">063<\/div>\n<div class=\"line number64 index63 alt1\">064<\/div>\n<div class=\"line number65 index64 alt2\">065<\/div>\n<div class=\"line number66 index65 alt1\">066<\/div>\n<div class=\"line number67 index66 alt2\">067<\/div>\n<div class=\"line number68 index67 alt1\">068<\/div>\n<div class=\"line number69 index68 alt2\">069<\/div>\n<div class=\"line number70 index69 alt1\">070<\/div>\n<div class=\"line number71 index70 alt2\">071<\/div>\n<div class=\"line number72 index71 alt1\">072<\/div>\n<div class=\"line number73 index72 alt2\">073<\/div>\n<div class=\"line number74 index73 alt1\">074<\/div>\n<div class=\"line number75 index74 alt2\">075<\/div>\n<div class=\"line number76 index75 alt1\">076<\/div>\n<div class=\"line number77 index76 alt2\">077<\/div>\n<div class=\"line number78 index77 alt1\">078<\/div>\n<div class=\"line number79 index78 alt2\">079<\/div>\n<div class=\"line number80 index79 alt1\">080<\/div>\n<div class=\"line number81 index80 alt2\">081<\/div>\n<div class=\"line number82 index81 alt1\">082<\/div>\n<div class=\"line number83 index82 alt2\">083<\/div>\n<div class=\"line number84 index83 alt1\">084<\/div>\n<div class=\"line number85 index84 alt2\">085<\/div>\n<div class=\"line number86 index85 alt1\">086<\/div>\n<div class=\"line number87 index86 alt2\">087<\/div>\n<div class=\"line number88 index87 alt1\">088<\/div>\n<div class=\"line number89 index88 alt2\">089<\/div>\n<div class=\"line number90 index89 alt1\">090<\/div>\n<div class=\"line number91 index90 alt2\">091<\/div>\n<div class=\"line number92 index91 alt1\">092<\/div>\n<div class=\"line number93 index92 alt2\">093<\/div>\n<div class=\"line number94 index93 alt1\">094<\/div>\n<div class=\"line number95 index94 alt2\">095<\/div>\n<div class=\"line number96 index95 alt1\">096<\/div>\n<div class=\"line number97 index96 alt2\">097<\/div>\n<div class=\"line number98 index97 alt1\">098<\/div>\n<div class=\"line number99 index98 alt2\">099<\/div>\n<div class=\"line number100 index99 alt1\">100<\/div>\n<div class=\"line number101 index100 alt2\">101<\/div>\n<div class=\"line number102 index101 alt1\">102<\/div>\n<div class=\"line number103 index102 alt2\">103<\/div>\n<\/td>\n<td class=\"code\">\n<div class=\"container\">\n<div class=\"line number1 index0 alt2\"><code class=\"java keyword\">package<\/code> <code class=\"java plain\">org.thoth.email.via.ssl;<\/code><\/div>\n<div class=\"line number2 index1 alt1\">&nbsp;<\/div>\n<div class=\"line number3 index2 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">java.net.InetAddress;<\/code><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">java.text.SimpleDateFormat;<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">java.util.Date;<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">java.util.Properties;<\/code><\/div>\n<div class=\"line number7 index6 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.Authenticator;<\/code><\/div>\n<div class=\"line number8 index7 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.Message;<\/code><\/div>\n<div class=\"line number9 index8 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.PasswordAuthentication;<\/code><\/div>\n<div class=\"line number10 index9 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.Session;<\/code><\/div>\n<div class=\"line number11 index10 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.Transport;<\/code><\/div>\n<div class=\"line number12 index11 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.internet.InternetAddress;<\/code><\/div>\n<div class=\"line number13 index12 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.internet.MimeBodyPart;<\/code><\/div>\n<div class=\"line number14 index13 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.internet.MimeMessage;<\/code><\/div>\n<div class=\"line number15 index14 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">javax.mail.internet.MimeMultipart;<\/code><\/div>\n<div class=\"line number16 index15 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">org.junit.jupiter.api.BeforeEach;<\/code><\/div>\n<div class=\"line number17 index16 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">org.junit.jupiter.api.Test;<\/code><\/div>\n<div class=\"line number18 index17 alt1\">&nbsp;<\/div>\n<div class=\"line number19 index18 alt2\"><code class=\"java keyword\">public<\/code> <code class=\"java keyword\">class<\/code> <code class=\"java plain\">SslTest {<\/code><\/div>\n<div class=\"line number20 index19 alt1\">&nbsp;<\/div>\n<div class=\"line number21 index20 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java plain\">SslTest() {<\/code><\/div>\n<div class=\"line number22 index21 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number23 index22 alt2\">&nbsp;<\/div>\n<div class=\"line number24 index23 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java keyword\">protected<\/code> <code class=\"java plain\">String now, hostname;<\/code><\/div>\n<div class=\"line number25 index24 alt2\">&nbsp;<\/div>\n<div class=\"line number26 index25 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java keyword\">protected<\/code> <code class=\"java plain\">Properties yahoo;<\/code><\/div>\n<div class=\"line number27 index26 alt2\">&nbsp;<\/div>\n<div class=\"line number28 index27 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java color1\">@BeforeEach<\/code><\/div>\n<div class=\"line number29 index28 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java keyword\">void<\/code> <code class=\"java plain\">setUp() <\/code><code class=\"java keyword\">throws<\/code> <code class=\"java plain\">Exception {<\/code><\/div>\n<div class=\"line number30 index29 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">now = <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">SimpleDateFormat(<\/code><code class=\"java string\">\"MM-dd-yyyy hh:mm:ss a\"<\/code><code class=\"java plain\">).format(<\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">Date());<\/code><\/div>\n<div class=\"line number31 index30 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">hostname = InetAddress.getLocalHost().getHostName();<\/code><\/div>\n<div class=\"line number32 index31 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">yahoo = <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">Properties();<\/code><\/div>\n<div class=\"line number33 index32 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">yahoo.load(<\/code><code class=\"java keyword\">this<\/code><code class=\"java plain\">.getClass().getResourceAsStream(<\/code><code class=\"java string\">\"\/smtp-ssl-yahoo.properties\"<\/code><code class=\"java plain\">));<\/code><\/div>\n<div class=\"line number34 index33 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number35 index34 alt2\">&nbsp;<\/div>\n<div class=\"line number36 index35 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java color1\">@Test<\/code><\/div>\n<div class=\"line number37 index36 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java keyword\">void<\/code> <code class=\"java plain\">a_test() <\/code><code class=\"java keyword\">throws<\/code> <code class=\"java plain\">Exception {<\/code><\/div>\n<div class=\"line number38 index37 alt1\">&nbsp;<\/div>\n<div class=\"line number39 index38 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java comments\">\/\/ Create MimeMultipart<\/code><\/div>\n<div class=\"line number40 index39 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">MimeMultipart content = <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">MimeMultipart(<\/code><code class=\"java string\">\"related\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number41 index40 alt2\">&nbsp;<\/div>\n<div class=\"line number42 index41 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java comments\">\/\/ html part<\/code><\/div>\n<div class=\"line number43 index42 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">{<\/code><\/div>\n<div class=\"line number44 index43 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">MimeBodyPart textPart = <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">MimeBodyPart();<\/code><\/div>\n<div class=\"line number45 index44 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">textPart.setText(<\/code><code class=\"java string\">\"&lt;html&gt;&lt;body&gt;\"<\/code><\/div>\n<div class=\"line number46 index45 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">+ <\/code><code class=\"java string\">\"&lt;p&gt;Time: \"<\/code><code class=\"java plain\">+now+<\/code><code class=\"java string\">\"&lt;\/p&gt;\"<\/code><\/div>\n<div class=\"line number47 index46 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">+ <\/code><code class=\"java string\">\"&lt;p&gt;From: \"<\/code><code class=\"java plain\">+hostname+<\/code><code class=\"java string\">\"&lt;\/p&gt;\"<\/code><\/div>\n<div class=\"line number48 index47 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">+ <\/code><code class=\"java string\">\"&lt;\/body&gt;&lt;\/html&gt;\"<\/code><\/div>\n<div class=\"line number49 index48 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">, <\/code><code class=\"java string\">\"UTF8\"<\/code><code class=\"java plain\">, <\/code><code class=\"java string\">\"html\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number50 index49 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">content.addBodyPart(textPart);<\/code><\/div>\n<div class=\"line number51 index50 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number52 index51 alt1\">&nbsp;<\/div>\n<div class=\"line number53 index52 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java comments\">\/\/ properties<\/code><\/div>\n<div class=\"line number54 index53 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">Properties props = <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">Properties();<\/code><\/div>\n<div class=\"line number55 index54 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">{<\/code><\/div>\n<div class=\"line number56 index55 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">props.setProperty(<\/code><code class=\"java string\">\"mail.smtp.auth\"<\/code><code class=\"java plain\">, <\/code><code class=\"java string\">\"true\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number57 index56 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">props.setProperty(<\/code><code class=\"java string\">\"mail.smtp.host\"<\/code><code class=\"java plain\">, yahoo.getProperty(<\/code><code class=\"java string\">\"host\"<\/code><code class=\"java plain\">));<\/code><\/div>\n<div class=\"line number58 index57 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">props.setProperty(<\/code><code class=\"java string\">\"mail.smtp.socketFactory.port\"<\/code><code class=\"java plain\">, yahoo.getProperty(<\/code><code class=\"java string\">\"port\"<\/code><code class=\"java plain\">));<\/code><\/div>\n<div class=\"line number59 index58 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">props.setProperty(<\/code><code class=\"java string\">\"mail.smtp.socketFactory.class\"<\/code><code class=\"java plain\">, <\/code><code class=\"java string\">\"javax.net.ssl.SSLSocketFactory\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number60 index59 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number61 index60 alt2\">&nbsp;<\/div>\n<div class=\"line number62 index61 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">Session smtp = <\/code><code class=\"java keyword\">null<\/code><code class=\"java plain\">;<\/code><\/div>\n<div class=\"line number63 index62 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">{<\/code><\/div>\n<div class=\"line number64 index63 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">smtp = Session.getInstance(props, <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">Authenticator() {<\/code><\/div>\n<div class=\"line number65 index64 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java color1\">@Override<\/code><\/div>\n<div class=\"line number66 index65 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">protected<\/code> <code class=\"java plain\">PasswordAuthentication getPasswordAuthentication() {<\/code><\/div>\n<div class=\"line number67 index66 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">return<\/code> <code class=\"java keyword\">new<\/code> <code class=\"java plain\">PasswordAuthentication(<\/code><\/div>\n<div class=\"line number68 index67 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">yahoo.getProperty(<\/code><code class=\"java string\">\"username\"<\/code><code class=\"java plain\">)<\/code><\/div>\n<div class=\"line number69 index68 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">, yahoo.getProperty(<\/code><code class=\"java string\">\"password\"<\/code><code class=\"java plain\">)<\/code><\/div>\n<div class=\"line number70 index69 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number71 index70 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number72 index71 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">});<\/code><\/div>\n<div class=\"line number73 index72 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">smtp.setDebug(<\/code><code class=\"java keyword\">true<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number74 index73 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">smtp.setDebugOut(System.out);<\/code><\/div>\n<div class=\"line number75 index74 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number76 index75 alt1\">&nbsp;<\/div>\n<div class=\"line number77 index76 alt2\">&nbsp;<\/div>\n<div class=\"line number78 index77 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">MimeMessage m = <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">MimeMessage(smtp);<\/code><\/div>\n<div class=\"line number79 index78 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">{<\/code><\/div>\n<div class=\"line number80 index79 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">m.setRecipient(Message.RecipientType.TO, <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">InternetAddress(yahoo.getProperty(<\/code><code class=\"java string\">\"to\"<\/code><code class=\"java plain\">)));<\/code><\/div>\n<div class=\"line number81 index80 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">m.setSubject(<\/code><code class=\"java string\">\"thoth-email SSL test \"<\/code> <code class=\"java plain\">+ now);<\/code><\/div>\n<div class=\"line number82 index81 alt1\">&nbsp;<\/div>\n<div class=\"line number83 index82 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">InternetAddress from = <\/code><code class=\"java keyword\">null<\/code><code class=\"java plain\">;<\/code><\/div>\n<div class=\"line number84 index83 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">{<\/code><\/div>\n<div class=\"line number85 index84 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">from = <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">InternetAddress(yahoo.getProperty(<\/code><code class=\"java string\">\"from\"<\/code><code class=\"java plain\">));<\/code><\/div>\n<div class=\"line number86 index85 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">from.setPersonal(<\/code><code class=\"java string\">\"Thoth Email\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number87 index86 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">m.setFrom(from);<\/code><\/div>\n<div class=\"line number88 index87 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number89 index88 alt2\">&nbsp;<\/div>\n<div class=\"line number90 index89 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">InternetAddress reply = <\/code><code class=\"java keyword\">null<\/code><code class=\"java plain\">;<\/code><\/div>\n<div class=\"line number91 index90 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">{<\/code><\/div>\n<div class=\"line number92 index91 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">reply = <\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">InternetAddress(yahoo.getProperty(<\/code><code class=\"java string\">\"reply\"<\/code><code class=\"java plain\">));<\/code><\/div>\n<div class=\"line number93 index92 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">m.setReplyTo(<\/code><code class=\"java keyword\">new<\/code> <code class=\"java plain\">InternetAddress[] {reply});<\/code><\/div>\n<div class=\"line number94 index93 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number95 index94 alt2\">&nbsp;<\/div>\n<div class=\"line number96 index95 alt1\">&nbsp;<\/div>\n<div class=\"line number97 index96 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">m.setContent(content);<\/code><\/div>\n<div class=\"line number98 index97 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number99 index98 alt2\">&nbsp;<\/div>\n<div class=\"line number100 index99 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">Transport.send(m);<\/code><\/div>\n<div class=\"line number101 index100 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number102 index101 alt1\">&nbsp;<\/div>\n<div class=\"line number103 index102 alt2\"><code class=\"java plain\">}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">Summary<\/h2>\n<p>The code for sending mail is not very hard. Successfully receiving an email without being flagged as SPAM is another matter. But if you follow this example, use a valid account, and don\u2019t overuse it, you should be OK. This blog shows how to use Java Mail to send an email using an SMTP server with an SSL connection.<\/p>\n<div class=\"attribution\">\n<table>\n<tbody>\n<tr>\n<td>\n<p>Published on Java Code Geeks with permission by Michael Remijan, partner at our <a href=\"\/\/www.javacodegeeks.com\/join-us\/jcg\/\" target=\"_blank\" rel=\"noopener noreferrer\">JCG program<\/a>. See the original article here: <a href=\"http:\/\/mjremijan.blogspot.com\/2020\/01\/java-mail-sent-over-ssl.html\" target=\"_blank\" rel=\"noopener noreferrer\">Java Mail Sent Over SSL<\/a><\/p>\n<p>Opinions expressed by Java Code Geeks contributors are their own.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Abstract The purpose of this blog is to demonstrate how to use Java Mail to send an email using an SMTP server with an SSL connection. Disclaimer This post is solely informative. Critically think before using any information presented. Learn from it but ultimately make your own decisions at your own risk. Requirements I did &hellip;<\/p>\n","protected":false},"author":3178,"featured_media":112,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-101518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-enterprise-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Java Mail Sent Over SSL - Java Code Geeks<\/title>\n<meta name=\"description\" content=\"Interested to learn about Java Mail? 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