>My boss notified me this morning that supposedly our IMail server is somehow
>the cause of an increase in spam to certain users.
Quite true. A mail server increases the amount of spam to users, because
spam is sent by E-mail.
But, the fact that you are now running IMail versus another mail server is
irrelevant (assuming the other server wasn't doing anything to block the spam).
>He claims his spam volume has tripled and that someone who just started a
>new email address was
>starting to receive spam after only 2 days.
Unless your old server was doing some type of spam filtering, that's almost
certainly a coincidence. FYI, it's easy for someone to get spam on a new
account if it has the same E-mail address as an old account that was deleted.
If your boss is receiving 3x the spam, that means that 3x the number of
spammers are sending him mail. If that is truly the case, then there are a
couple of possibilities:
[1] There are 3x as many spammers as there used to be
[2] 2/3rds of the spam was somehow blocked at the old server
[3] Your boss's E-mail address was magically spread to 3x as many spam
mailing lists
None of those options seems to indicate something odd about IMail.
>I tried to convince him that this was from users carelessly putting their
>email addresses on the web or
>such. He says that this isn't the case, however. Has anyone heard of
>anything like this?
Yes, bosses tend come up with interesting theories. But I've never heard
of anything (on the server side) other than stopping existing spam
filtering that caused spam to increase.
You might want to check your logs to see if there is any evidence of
"dictionary attacks" (someone trying thousands of different possible
usernames at your domain; IE "[EMAIL PROTECTED]", "[EMAIL PROTECTED]",
"[EMAIL PROTECTED]", etc.).
-Scott
Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for
IMail. http://www.declude.com
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