Zitat von Nathan Hüsken <nathan.hues...@googlemail.com>:

Hi,

I have installed postfix on a small vServer (256Mb Ram, 10GB HD). I
installed it with dovecot, mysql and postfixadmin.
When I tested it, I got lots of "Cannot allocate Memory" errors.

With the most crippled vServers sold today you get in trouble for a full fledged mailserver. Not because of RAM but because of numothersock (Postfix!), numfiles (shared libraries) and sometimes shmpages (database). You have to stripe down every service that is running to limit the max number of processes *and* the shared libs loaded (modules) by the application.
This is very timeconsuming and may (will) fail under load.
We have a similar system runnig but with more "numothersock" and "numfile" as these are the critical parameters which bite you first!!!

Regards

Andreas





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