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[FR] Disable "AUTH LOGIN" for non-submission smtp port #2895
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area/configuration (file)kind/improvementImprove an existing feature, configuration file or the documentationImprove an existing feature, configuration file or the documentationpriority/lowservice/postfixstale-bot/ignoreIndicates that this issue / PR shall not be closed by our stale-checking CIIndicates that this issue / PR shall not be closed by our stale-checking CI
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area/configuration (file)kind/improvementImprove an existing feature, configuration file or the documentationImprove an existing feature, configuration file or the documentationpriority/lowservice/postfixstale-bot/ignoreIndicates that this issue / PR shall not be closed by our stale-checking CIIndicates that this issue / PR shall not be closed by our stale-checking CI
Feature Request
Context
Currently is possible to connect to 25 port and send email after "AUTH LOGIN" command. I want to disallow any type of sending emails by connection to this port and use it only for receiving emails.
Sending should be possible only by connecting to submission ports which can be protected by firewall.
Describe the Solution you'd like
Add environment variable to disable this and set it by default by security reasons
Are you going to implement it?
First I want to know maybe this issue can be handled by existing way. Maybe I missed something