When sending large email to a new CentOS6 server running Postfix as the MTA, the following message is returned:
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 found the following suggestion, but am unclear as to where it needs to be added in the
This was caused by Postfix and it's limit on not only messages but mailbox sizes.
I had to add this setting in
message_size_limit = 31457280
How can the maximum mail size (including attachments) be increased in Postfix?