>
> >
> > I've been having issues with compromised accounts used to send spam via
> > authenticated connections to my servers. Don't ask me how those people
> > lost their passwords, but they did.
>
> You can play with ratelimit entries to spot an unusual increase in
> send rate, per account.
>
> You can watch for rate of rejects, rather than bounces (please don't
> say you accept-then-bounce!)
>
> You can charge your customers real money in cleanup fees.
>
These are great suggestions, but he's in a university environment and I
imagine nobody is going to be paying clean up fees. If he has a budget, he
might need to consider a commercial solution that applies more
sophistication to the detection of compromised accounts.
Regards,
Ken
--
*Ken Simpson*
CEO, MailChannels
Tel: +1 604 685 7488
www.mailchannels.com
Twitter <
https://twitter.com/mailchannels> | LinkedIn
<
http://www.linkedin.com/company/mailchannels>
