Message-id: <[email protected]>
 Date: Fri, 04 Mar 2016 17:29:52 +0100
 From: Someone <[email protected]>
 To: User <[email protected] >
 Subject: testi test

Your message cannot be delivered to the following recipients:

 Recipient address: [email protected] 
 Reason: Remote SMTP server has rejected address
 Diagnostic code: smtp;550 5.1.1 <[email protected] >: Recipient address rejected: User unknown in local recipient table
 Remote system: dns;mx00.udag.de (TCP|17.164.101.13|38590|62.146.106.39|25) (mx00.udag.de ESMTP ready)

Original-envelope-id: [email protected]
Reporting-MTA: dns;st14p23im-asmtp003.me.com (tcp-daemon)
Arrival-date: Fri, 04 Mar 2016 16:29:55 +0000 (GMT)

Original-recipient: rfc822;[email protected] 
Final-recipient: rfc822;[email protected] 
Action: failed
Status: 5.1.1 (Remote SMTP server has rejected address)
Remote-MTA: dns;mx00.udag.de (TCP|17.164.101.13|38590|62.146.106.39|25)
(mx00.udag.de ESMTP ready)
**Diagnostic-code: smtp;550 5.1.1 <[email protected] >: Recipient address
rejected: User unknown in local recipient table

mail:
  image: tvial/docker-mailserver
  hostname: mail
  domainname: docker-mail.tld
  # your FQDN will be 'mail.domain.com'
  ports:
  - "25:25"
  - "143:143"
  - "587:587"
  - "993:993"
  volumes:
  - /opt/mail/spamassassin:/tmp/spamassassin/
  - /opt/mail/postfix:/tmp/postfix/
  - /opt/mail/mails:/var/mail/
  - /etc/letsencrypt/:/etc/letsencrypt/
  environment:
  - DMS_SSL=letsencrypt