E-Mail scaling question

tomasz dereszynski tomaszd at paraklet.net
Tue Dec 21 23:19:12 UTC 2010

Hash: SHA1

On 21/12/2010 19:39, Mark Moellering wrote:
> Hello All,
> My company needs a [new] e-mail solution for a product rollout.  Rather than 
> have a few e-mail domains with lots of addresses, the solution we need is for 
> a very few (mostly one, very rarely more than 3) accounts on upwards of tens 
> of thousands of domains.  
> I can't find any info on scaling sendmail or postfix to this many domains.  If 
> anyone has any info, knowledge, horror stories, etc. It would be greatly 
> appreciated
> Also, I am assuming that to play nice, we need a dedicated IP per domain, so I 
> may have to survive setting that up before I even get to the e-mail.  If 
> anyone knows of a legitimate way to set up an e-mail domain on a shared IP and 
> not have half of the e-mail servers assume we are spammers, let me know.
> Thanks in advance
> Mark Moellering
> classcreator.com

Any (or almost any) MTA you pick is able to handle 100's of domains with
few addresses on them. Once you start running AV/Antispam and work our
expected volume you may start thinking about performance issues...

Question is what are you actually trying to achieve? Objectives? what is
your business problem?

Start from there and work your way out.

There are plenty of companies offering hosted mail solution which may
turn way cheaper then doing it yourself and so on.

- -- 
bEsT rEgArDs            |       "Confidence is what you have before you
tomasz dereszynski      |       understand the problem." -- Woody Allen
Spes confisa Deo        |       "In theory, theory and practice are much
numquam confusa recedit |       the same. In practice they are very
                        |       different." -- Albert Einstein

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