E-mail address rewrites

[Scott Silva]

Gottschalk, David spake the following on 9/20/2007 10:18 AM:
> Over the last few weeks, I’ve had users reporting that they are getting 
> bounces when replying to messages saying ‘user at msserver.edu 
> <mailto:user at msserver.edu>’ is a invalid user (where msserver is the 
> hostname of one of my MailScanner relays). It’s beginning to appear that 
> something on these boxes is re-writing addresses while they are in 
> transit. I have several examples where messages from one internal mail 
> system travels through one of my five mail relays running mailscanner, 
> and arrives with a re-written address address in the CC field. I know 
> this is a strange, unique issue, but I could really use some help. I’ve 
> looked around a lot on my servers to see if I could find any sources of 
> this problem, but I’ve found nothing.  I’ve also searched lots on 
> google, and mailscanner list archives. Any help would be greatly 
> appreciated. Below is my setup:
> 
>  
> 
> Sendmail 8.13.1
> 
> MailScanner 4.60.8
> 
>  
> 
> David Gottschalk
> UTS Infrastructure Technology Services
> david.gottschalk at emory.edu <mailto:david.gottschalk at emory.edu>
> 
>  
> 
Check every servers sendmail.mc ( or sendmail.cf if you edit them directly) 
for "masquerade as" settings. It sounds like one of them is set wrong. Start 
with the hostnamed server you already suspect.

-- 

MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!