Topic: Excel attachment rejected
==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 0.9.9
- Deployed with iRedMail Easy or the downloadable installer? Downloadable
- Linux/BSD distribution name and version: ubuntu 18.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mysql
- Web server (Apache or Nginx): nginx
- Manage mail accounts with iRedAdmin-Pro? non-pro
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
I'm having issue sending .xlsx attachment with error below:
<firstname.lastname@example.org>: host ASPMX.L.GOOGLE.com[188.8.131.52] said:
550-5.7.1 [184.108.40.206 12] Our system has detected that this message
is 550-5.7.1 likely unsolicited mail. To reduce the amount of spam sent to
Gmail, 550-5.7.1 this message has been blocked. Please visit 550-5.7.1
https://support.google.com/mail/?p=Unso … ssageError 550 5.7.1 for
more information. l17si1893182wrp.391 - gsmtp (in reply to end of DATA
Note: the error is intermittent, sometimes i can send excel attachment without any error.
your help is really really appreciated.