Kurt Lieber wrote:
At work, we are load testing a number of different mail servers. I need to
send large amounts of mail through the boxes as part of this. To get rid
of the mail, I'd like to have a Gentoo box running exim or another MTA on
the end of the chain that does two very simple things:
* Accepts any and all mail that is sent to it, regardless of domain,
recipient, etc.
* Delivers all mail to /dev/null
This needs to happen as fast as possible. Ideally, I'd like to prevent the
mail from ever touching the disk for speed reasons, but if that's not
possible through the MTA, I can accomplish the same thing by putting the
spool on a RAM disk.
Is this easy enough to set up? Any sample configuration files I can crib
from?
Thanks.
--kurt
P.S. if there's another way of accomplishing the same thing, please let me
know. It is important, however, that the black hole actually have an SMTP
conversation with the sending server. I can't just route all traffic to
port 25 to /dev/null.
This might be what you're looking for.
http://www.wiredfool.com/2002/06/11/howToBlackholeEmailServer
You might need to play with the config on a recent version of Postfix to
get it to work as described. From the date it's possible he was using
Postfix 1.1 vs the current 2.1 version.
However, unless you have a very specific application raw throughput is
rarely going to tell you much about how well your mail server will
perform. Queue sizes, bounce handling, slow connections, content
filtering, number of connections, quality of the recieving or sending
mail server, ability to reuse a connection, etc are usually going to
have a greater impact on real world performance.
I would however be curious about any numbers/comparisions you come up
with in your testing.
kashani
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