Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 552 552 5.3.4 Error: message file too big (state 18).

i am trying to send large files but i hit the limit i added to mail.cf the directive but it does not seem to take effect

how do i set iredmail to allow say 50meg files?

thank you

L.