1 Topic by shareefbab (edited by shareefbab 2019-10-14 14:10:23)

  • shareefbab
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  • Registered: 2016-12-15
  • Posts: 30

Topic: Issue Sending mail from AIX / Linux system

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 0.9.9 professional
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version: Centos 7.3
- 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 am not receiving mails from AIX / Linux System - after upgrading to the latest version

/etc/postfix/sender_access.pcre
/^172\.16\./            OK
/^172\.20\./            OK
/^172\.17\.100\./       OK
/^172\.17\.101\./       OK
/^172\.17\.102\./       OK

/opt/iredapd/settings.py
MYNETWORKS =['172.17.100.0/24', '172.20.11.0/24', '172.16.11.0/24']

/var/log/maillog
sender address rejected: Domain not found; from=<root@bab-erpdb.al-babtain.com.sa> to=<shareefbab@al-babtain.com.sa> proto=ESMTP helo=<bab-erpdb.al-babtain.com.sa>
Oct 14 08:57:09 babmail postfix/smtpd[18139]: disconnect from unknown[172.20.11.100]

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2 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
  • iRedMail Developers
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  • Registered: 2009-05-06
  • Posts: 31,088

Re: Issue Sending mail from AIX / Linux system

It's rejected due to can not resolve the domain name "bab-erpdb.al-babtain.com.sa" by DNS queery.
You can whitelist this AIX/Linux server IP address in file /etc/postfix/sender_access.pcre.