• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Postfix Problems

S

STELIOSS

Guest
Hello,

I have users complaining about sending/recieving mail. After I restart the plesk mail services it resumes normal operation.

I have the same problem & i don't know what to do.. i only get mails only on smtp service restart & after 20" again nothing...

Any ideas??
 
Try to find reason in Plesk maillog /usr/local/psa/var/log/maillog
 
Errors

Aug 3 05:58:30 4844 postfix/local[22154]: fatal: main.cf configuration error: mailbox_size_limit is smaller than message_size_limit
Aug 3 05:58:31 4844 postfix/master[24240]: warning: process /usr/libexec/postfix/local pid 22154 exit status 1
Aug 3 05:58:31 4844 postfix/master[24240]: warning: /usr/libexec/postfix/local: bad command startup -- throttling


This is the only errors i can find .

Please help!
 
I see only 'fatal: main.cf configuration error: mailbox_size_limit is smaller than message_size_limit' and it is indicate that Postfix is not correctly configured there.

Check that you have default value there:

# rpm -ql postfix | grep main.cf
/etc/postfix/main.cf
/etc/postfix/main.cf.default
# grep size_limit /etc/postfix/main.cf
message_size_limit = 1048576
 
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