RE: [cobalt-users] sendmail oddity

["Dan Kriwitsky" <webhosting@xxxxxxxxx>]

> 
> Yes, there is a user on the server named "support".
> There are no aliases of, or pointing to "support".
> There is only one entry in the virtusertable refrencing 
> support and it's:
> support@xxxxxxxxxxxxxxxxx    support
> 
> It looks like if sendmail is unable to find a virtusertable 
> entry, it simply ignores the domain name and just looks up 
> the user.  I tried this with other accounts 
> (cooperj@xxxxxxxxxxxxxxxxx does not exist, but mail got 
> delivered to the "cooperj" account which belongs to a third domain).
> 
What server is this? On my RaQ4 now it doesn't do that. It used to on
the RaQ2.

Now the server replies:

553 5.3.0 <username@xxxxxxxxxxxxxxxxx>... No such user here

I think this behavior was fixed in an older update.

You should get your user "support" to change the username and use an
email alias of support. It's also another level of security to not have
normal English words as usernames.

-- 
Dan Kriwitsky

 


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