Postfix Archives – Techonia

How to automatically delete email messages in the server using Courier-IMAP

By Fuad NAHDI October 14, 2010

Today my boss asked me whether it is possible to automatically delete email messages in the server inside certain folders after a given number of days. For example he wants the sent emails inside the 'Sent' folder is automatically deleted after 2 days. And also in the 'Trash' folder as well.

Postfix

How to enable or activate mail submission in Postfix

By Fuad NAHDI December 25, 2009

The conventional way for a mail client program to send e-mail is using TCP port 25, which is also the port used by mail servers to talk to each other. But port 25 is now widely abused by malware to spread worms and spam. As a result, many ISPs are restricting its use

Postfix

How to Log Subject fields into /var/log/maillog file

By Fuad NAHDI October 26, 2009

You want to log email Subject field into /var/log/maillog? By default the email subject field is not logged to the maillog file. To log it, here is the trick.

Postfix

How to bypass SMTP-Authentication on Postfix

By Fuad NAHDI August 23, 2009

SMTP Authentication is a scheme which was introduced in 1999 by J. Myers of Netscape Communications and finally released as RFC 2554 ("SMTP Service Extension for Authentication"). It is partly based on the SMTP Service Extensions as defined in RFC 1869.

Postfix

Delete specific email queues in Postfix

By Fuad NAHDI July 5, 2009

If an email message is undeliverable, it will bounce back with ‘MAILER-DAEMON’ telling you that the message could not be delivered to the destination addresses. The queue will try to keep delivering based on your mail server configuration. Unfortunately it will make your mail server takes some resources to the queues. And we dont want this thing happened.