Topic: reject: END-OF-MESSAGE from unknown[X.X.X.X]: 451 4.3.5 Server c
==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.3.1
- Deployed with iRedMail Easy or the downloadable installer? Downloadble
- Linux/BSD distribution name and version: centos 7
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? yes, 4.4
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Jul 10 10:10:12 mail001 postfix/smtpd[19410]: 4B3GgR4m5szh3: reject: END-OF-MESSAGE from unknown[142.0.164.100]: 451 4.3.5 Server configuration problem; from=<norecibidos@beneficios.davivienda.com>
Yesterday update server form 1.2.1 to 1.3.1 and now we have the anterior error, and iredadminpro form 4.3 to 4.4, at moment is only with that sender, before we receive mail from that sender all days.
Tank You
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