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Tag: postfix

Postfix

Running multiple Postfix setups

December 14, 2011March 8, 2017 Mark 1 Comment

Today a customer wanted to use their current mail server for sending regular emails to a list with about 200.000 addresses in it. Sure no problem, but this will fill your queue and all other mail from/to your company will get delayed. To avoid this, you can setup Postfix so that it can run a […]

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Postfix

Rate limit incoming mail on Postfix

September 22, 2011March 8, 2017 Mark Leave a comment

Today I ran into a problem with one of our ISPConfig 3 installations. It hosts a domain which seems to be very attractive for spammers, so what happened .. my mail server got hammered by a spam bot net ( not yet blocked by spamhaus as of typing this post). In ISPConfig 3 Postfix talks […]

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Postfix

Create a self signed SSL key for Postfix

April 12, 2011March 8, 2017 Mark 8 Comments

I always forget the order of the commands to create a new set ssl keys for a postfix server, so here it is.   For the Google-eyed visitors: The short version is at the bottom of this post.

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