Re: [SLUG] /etc/mail/access for a secondary MX

[Nigel Allen <dna@xxxxxxxxxxx>]

Bump


On 12/02/2008 6:45 PM, Nigel Allen wrote:
> Hi
>
> We are acting as secondary MX for a few of our customers, one of who 
> has about 20 valid email addresses (including aliases).
>
> I want to change the /etc/mail/access from a simple "RELAY" to 
> something that will check for valid addresses for that domain and 
> reject any BS ones. We are currently relaying everything and some 
> spammers are firing just_about_anything@xxxxxxxxxxxxx at our mail 
> server which I relay to the customers mail server which then bounces 
> it back to me and I end up with a load of mail in the queue that can 
> never be delivered.
>
> I read recently that this is possible using the "To:" access record 
> but so far I either pass everything or nothing.
>
> Can anyone point me in the right direction please?
>
> sendmail 8-14-1 on FC6.
>
> TIA
>
> Nigel.