Whitelist our mobile phone users

Drew Marshall drew.marshall at technologytiger.net
Fri Sep 12 12:46:42 IST 2008

On 12 Sep 2008, at 12:33, Nigel Kendrick wrote:

> We have a recurring problem (2-3 times a year) where UK Vodaphone  
> domains
> get added to various RBLs and so our mobile users suddenly get their  
> mail
> rejected as outbound spam by our mail server (MailScanner,  
> Spamassassin and
> Postfix). Considering these users have to do an SMTP login to send  
> mail, is
> it possible to whitelist them based on this fact? If not, what's the  
> best
> way to cope with this without letting too much spam through - or do  
> I just
> not scan outbound mail!?

What rejects the mail, Postfix or MailScanner?


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