I'll check that out. Thanks for that heads up.
Eric Shanbrom [Ipswitch Inc] wrote:
I see you have an SPF record but you aren't being very adamant about
it. Basically what you're saying here is if it doesn't come from what
I have listed it's "Neutral"...
"v=spf1 a mx ip4:24.97.185.243 ip4:63.123.33.128/26 ?all"
To me Neutral means the mail admin isn't sure if you should deny
things not authorized by him.. So I would accept the messages making
your try at using SPF pretty weak at best. If you want it to be
effective change the ?all to a -all
Eric S
S.J.Stanaitis wrote:
Dealt with 2 specific DOS attacks against my email server this week.
The first occured Wed/Thurs morning where someone had sent out an
unknown number of emails to Yahoo, each email had 2 2.5mb images
attached. A few Yahoo servers completely obliterated my T1 with the
undeliverable messages which included the original message. Now the
email we use for our domain contact was SLAMMED with over 30K and
rising emails which are errors related to an email titled 'test2'
with a text area that says "Do u receive this message, dude ? I
know, that yes." Now I've got all these cranky spammed people
telling me to stop when the messages didn't even originate on my
servers. Anyone ever experience something like this before? Any
suggestions on dealing with it?
Thanks,
Sam
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S.J.Stanaitis
Network Administrator, Decorative Product Source
http://www.dpsource.com/
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