>I will pull and email at check for SA problems.
>
>I know that the server is busy, it runs at about 50% or
more cpu during
>business hours. In addition the server currently has a
single SATA hd
>which
>is probably causing a bottleneck at this load level. I
understand the
>faster in, faster out. But would this cause my
smtp/telnet timeouts?
>Isn't
>postfix designed to accept the connection and cache the
email until SA is
>ready for it, if there are available smtp channels?
>
>Thanks again for the help!
>
>Todd
>
I would have to agree that normally you should be able to
connect in without
delay, but the question is, how many connections are trying?
I think it's
possible to DDoS a Postfix box if you attempt a lot more
simultaineous
connections than you have available. Especially on a box
that is already
highly loaded.
http://www.
postfix.org/QSHAPE_README.html
(Maybe I will read this some day) 
Gary V
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