1 Topic by dkuyebox (edited by dkuyebox 2017-11-12 09:07:33)

  • dkuyebox
  • Member
  • Offline
  • Registered: 2017-02-13
  • Posts: 15

Topic: Mail server stop delivering and receiving

==== Required information ====
- iRedMail version (check /etc/iredmail-release): v0.9.7 | iRedAdmin-Pro v2.7.0 (MySQL)
- Linux/BSD distribution name and version:  Ubuntu 16.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? YES
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

I just noticed my Mail server stop delivering and receiving. I don't even know which log file(s) to send.

----

Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

2 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
  • iRedMail Developers
  • Offline
  • Registered: 2009-05-06
  • Posts: 30,792

Re: Mail server stop delivering and receiving

Check Postfix log file first:
https://docs.iredmail.org/file.locations.html#postfix

3 Reply by dkuyebox

  • dkuyebox
  • Member
  • Offline
  • Registered: 2017-02-13
  • Posts: 15

Re: Mail server stop delivering and receiving

ZhangHuangbin wrote:

Check Postfix log file first:
https://docs.iredmail.org/file.locations.html#postfix


Nov 12 20:54:20 mx postfix/smtpd[32037]: NOQUEUE: reject: RCPT from mail-lf0-f42.google.com[209.85.215.42]: 550 5.1.1 <johnokonkwonwadulu@domain.com>: Recipient address rejected: User unknown in virtual mailbox table; from=<paot4greatness@domain.com> to=<johnokonkwonwadulu@domain.com> proto=ESMTP helo=<mail-lf0-f42.google.com>
Nov 12 20:54:20 mx postfix/smtpd[32037]: disconnect from mail-lf0-f42.google.com[209.85.215.42] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 quit=1 commands=5/7
Nov 12 20:54:49 mx postfix/postscreen[32034]: CONNECT from [209.85.214.44]:37267 to [172.31.30.172]:25
Nov 12 20:54:55 mx postfix/postscreen[32034]: PASS OLD [209.85.214.44]:37267
Nov 12 20:54:55 mx postfix/smtpd[32037]: connect from mail-it0-f44.google.com[209.85.214.44]
Nov 12 20:54:56 mx postfix/smtpd[32037]: Anonymous TLS connection established from mail-it0-f44.google.com[209.85.214.44]: TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
Nov 12 20:54:56 mx postfix/smtpd[32037]: NOQUEUE: reject: RCPT from mail-it0-f44.google.com[209.85.214.44]: 550 5.1.1 <noreply@domain.com>: Recipient address rejected: User unknown in virtual mailbox table; from=<joyoyomah@domain.com> to=<noreply@domain.com> proto=ESMTP helo=<mail-it0-f44.google.com>
Nov 12 20:54:56 mx postfix/smtpd[32037]: disconnect from mail-it0-f44.google.com[209.85.214.44] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 quit=1 commands=5/7
Nov 12 20:55:59 mx postfix/scache[32011]: statistics: start interval Nov 12 20:52:39
Nov 12 20:55:59 mx postfix/scache[32011]: statistics: domain lookup hits=0 miss=1 success=0%
Nov 12 20:57:04 mx postfix/anvil[31794]: statistics: max connection rate 1/60s for (smtpd:66.220.155.148) at Nov 12 20:47:04
Nov 12 20:57:04 mx postfix/anvil[31794]: statistics: max connection count 1 for (smtpd:66.220.155.148) at Nov 12 20:47:04
Nov 12 20:57:04 mx postfix/anvil[31794]: statistics: max cache size 2 at Nov 12 20:54:55

4 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
  • iRedMail Developers
  • Offline
  • Registered: 2009-05-06
  • Posts: 30,792

Re: Mail server stop delivering and receiving

dkuyebox wrote:

Recipient address rejected: User unknown in virtual mailbox table

Recipient address doesn't exist on your server.