SOLVED 503 Valid RCPT command must precede DATA

venomco

Registered
Jan 28, 2016
2
2
3
Sweden
cPanel Access Level
Root Administrator
I'm sure some have stumbled upon this error and googling it renders little help.
It's been a couple of years since it happened to me but today the problem occurred.

I (accidentatly) ran yum --disableexcludes=repoid --obsoletes update --skip-broken
This updated dovecot or exim and that is a no-no on cpanel servers.
Running /usr/local/cpanel/scripts/check_cpanel_rpms sorted out the rpms. However, the problem persited.

So the fix: run /scripts/fixquotas (always good to run at times) then run
/scripts/reset_mail_quotas_to_sane_values --force- --confirm
Finally run 'Repair Mailbox Permissions" from WHM

(Solved!)
 
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cPanelMichael

Administrator
Staff member
Apr 11, 2011
47,909
2,229
463
Hello,

I'm happy to see you were able to address the issue. Thank you for updating us with the outcome.