Hello John,

> Please explain. The Imail copyall function simply adds the copyall
> configured email address to the envelope of the email as it is received.

Well this was long time a ago when I tried to use IMail's copyall function,
probably around IMail's version 7.x or 8.x, the first thing that I noticed
was that the CPU usage in the machine went up in like a 2% on the average, I
don't know if it was caused by the extra delivery process, processing rules,
etc. With Declude´s COPYTO action there is no increase in the CPU usage,
probably because it just makes a copy of a few addresses.

Besides that, I noticed that when the copyall function was active, IMail
stopped including the X-RCPT-TO: header line that several of our customers
use to identify the final addressee. We catch several addresses in just one
mailbox that they later download through POP3 because their servers are not
always online. BTW we are not using the catchall (nobody) alias, our mail
gateway (IMGate) has the list of all the valid addresses. I don't know if
the problem is still happening with version 9.x, as I haven't tried recently
because Declude is handling this process well. We could include the line
with Declude, like X-RCPT-TO: %ALLRECIPS% but that would create a security
breach because it would reveal all the recipients even the BCC.

And third in some cases that I didn't investigate very well, the copyall
address which was included in the envelope, was been revealed when there
were some bounces like mailbox full, user rules, etc. creating another
security breach. Because of this, the address which BTW wasn't easy to guess
(mix of letters & numbers), started to receive spam addressed directly to
itself.

Best,


Adolfo Justiniano
Santa Cruz BBS
e-mail: [EMAIL PROTECTED]
http://www.scbbs.net 



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