ISBN: 9780596510299
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Yetanfou · 2018-01-26 · Original thread
I've run my own mail server ever since I got something resembling broadband internet in 1996. Back then spam was non-existent, Sendmail was the emperor without clothes about to be dethroned and I hacked sendmail.cf without needing to look at the the bible [1].

I've never regretted running my own server, nor have I ever contemplated moving to a hosted solution. Spam is not a problem either, Spamassassin in combination with a greylist make for a nearly spam-free experience. The whole setup has been migrated from the original Pentium-66 via an aBit-BP6 (SMP for the masses [2], retired in 2009) to the current Intel SS-4200 (upgraded to a dual-core Pentium but still limited to 2GB). In practice a Raspberry Pi would be enough to run a viable mail server so even this rather anaemic setup does its job without breaking a sweat.

The whole setup consists of Debian (Sid) running Exim through a smarthost, feeding through Spamassassin + greylistd into Dovecot. Apart from some auto-manual intervention to cope with Microsoft/Google/... not coping with the greylisting and thus needing whitelisting it more or less just works. In other words, just go ahead and run your own server.

[1] http://shop.oreilly.com/product/9780596510299.do

[2] https://en.wikipedia.org/wiki/ABIT_BP6

[3] http://ss4200.pbworks.com/w/page/5122751/FrontPage

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