OT submission port question

[Mark Nienberg]

On 3/10/2010 11:51 AM, Steve Campbell wrote:
> Sort of related to Mailscanner, but more sendmailish.
>
> I've had to start using the submission port with authentication for 
> our roaming sales staff (isn't it always the sales staff that causes 
> problems?). I've basically just added the port 587 and indicated it 
> needed authentication to my normal sendmail configuration. This 
> eliminates outside users from using me as a relay but allows the sales 
> staff to use our server as if they were on-site. No problem up to this 
> point.
>
> The main problem is that now these emails go through MS. And because I 
> whitelist based on our internal IPs, these roaming IPs from which the 
> sales staff is sending get trapped and quarantined  sometimes since 
> they're treated as non-local senders.
>
> Can someone make a recommendation on how to handle these roamers when 
> using MS, please? Maybe a way to drop them into mqueue instead of 
> mqueue.in!
>
>
Here is one way to recognize authenticated messages and compensate for 
them with spamassassin rules.

http://article.gmane.org/gmane.mail.virus.mailscanner/21074

Mark Nienberg