Sandy Drobic wrote:
> What were the features that differed the most in implementation or
> performance?
>   
Our look at qmail was some years ago so it's getting a bit fuzzy now.
ISTR that qmail seemed to be full of gratuitous differences in the
interface with no tangible benefit. I won't deny that it seemed smaller
and cleaner than sendmail, but the message store by inode was one deal
breaker, as I mentioned. Also ISTR that we would have needed thousands
of alias files to do what we were doing in sendmail.

>
> I would also like to see some test results done on the same hardware and
> the same base of testmails.
>   
Well, from memory (this was several years ago) we had 2 identical linux
test machines, rather modest, hp desktop class hardware as I remember.
One was running sendmail, the other postfix, default configs. We fed
them both with a mail spool of a few thousand messages and the
difference was significant. The postfix box finished processing and
delivering the messages in a few minutes. At this point, the sendmail
box was thrashing, with a load average around 40. It finally finished
about half an hour later.

That one test settled the postfix-vs-sendmail debate for me.

Joe
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