Tagged: mail-server

Uncaught exception 'Zend_Mail_Transport_Exception' with message 'Unable

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Fatal error: Uncaught exception 'Zend_Mail_Transport_Exception' with message 'Unable to send mail. ' in /.........../Zend/Zend/Mail/Transport/Sendmail.php:137

Postfix is running, PHP can connect to Postfix.

We have got In Apache error_log:
postdrop: warning: uid=48: File too large


The default max message size for Postfix is 10240000 bytes. Thus we do:
% /usr/sbin/postconf -e message_size_limit=XXXXXXXXXXX

where XXXXXXXXXX is the new limit.

And then restart Postfix.

FYI: Related issues:

The the default value for a mailbox size according to Postfix is 51200000 bytes. It may be changed like this:
% postconf -e mailbox_size_limit=0

And then restart Postfix.

The settings for all the size related parameters (in main.cf) can be listed like this:
# postconf -d | grep size

Sample output:
berkeley_db_create_buffer_size = 16777216
berkeley_db_read_buffer_size = 131072
body_checks_size_limit = 51200
bounce_size_limit = 50000
header_size_limit = 102400
mailbox_size_limit = 51200000
message_size_limit = 10240000

Voila !

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