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Exim & Postfix flexibilityExim & Postfix flexibilityPosted Aug 25, 2006 8:27 UTC (Fri) by kleptog (subscriber, #1183)In reply to: Exim & Postfix flexibility by rfunk Parent article: A comparison of Mail Transfer Agents - Part One
The thing that annoys me about Postfix while looking at the config file is that it's a lot of options, but from those options I have no idea how the system actually works. With Exim the config file describes the process taken to deliver a mail, from beginning to end. Take for example processing of the .forward file.
In Exim there's a director down the end that specifies the filename and how to handle it (permissions, user, etc). So I know where in the mail delivery process it appears. I can ask for it to check for the .forward files in a central directory, or check in a database if the user is allowed a .forward file. The default postfix configuration doesn't seem to mention the .forward file at all.
If someone comes along wanting special mail routing for domain X, I can just add a stanza matching that domain and add the rules. I can decide if it comes before or after the virtual tables, or anything else.
Maybe postfix can do this too, but from looking at the config file I certainly don't get that impression. It seems to be full of implicit rules, and I hate that.
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Exim & Postfix flexibility Posted Aug 25, 2006 8:59 UTC (Fri) by ahoh (guest, #17291) [Link] When I was new to Postfix (that was at a time when the postgresql patchwas a brand new thing) I found the online documentation very helpful. And it still is.
Don't bother too much with the comments in the config files (they are only
Have a look at http://www.postfix.org/documentation.html and dig through
Postfix uses more then one file and several databases. That IS different
Exim & Postfix flexibility Posted Aug 25, 2006 18:15 UTC (Fri) by tsr2 (subscriber, #4293) [Link] If there's a solution there (at http://www.postfix.org/documentation.html) for what I wanted to do with an MTA, it was far from obvious. The solution was relatively easy to find in the Exim documentation, so I went with Exim. IMHO the Exim documentation is significantly easier to use.
As someone who had never set up a proper MTA before, I was quite happy to set up Exim for my work, based on the available documentation, whereas I would not have been happy to do the same with postfix.
I can always find what I need in the Exim Specification or the FAQ, whereas I couldn't easily find what I needed in the postfix docs.
Exim & Postfix flexibility Posted Aug 25, 2006 12:14 UTC (Fri) by rfunk (subscriber, #4054) [Link] I like the fact that Postfix doesn't need everything in the config file,just the stuff different from the default. It keeps simple configurations simple. That's why I consider Exim and Sendmail to be more complex to configure. If you want a config file with *everything*, run the postconf command. It shows the complete current configuration.
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