configure zimbra attachment size.

Assalamualaikum..

This is tutorial on how to increase the Zimbra attachment size limit. The default Zimbra MTA configuration uses the default Postfix message_size_limit of 10MB (i.e. ‘10240000’ bytes).

To check the current value of the parameter:
# su – zimbra
$ postconf message_size_limit

output:
message_size_limit = 10240000

Zimbra will display a value in bytes. 10240000 bytes = 10 mb.

The following commands will set the message_size_limit to 2MB (adjust this value to suit your needs):
# su – zimbra
$ zmprov modifyConfig zimbraMtaMaxMessageSize 2048000
$ postfix reload

You can then confirm the changes with this command:
$ postconf | grep message_size_limit

Thanks, wassalam..

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