|Main Archive Page > Month Archives > postfix-users archives|
>> Thanks for the reply. Is there a way to query DNS if the specified MX is
>> present so I do not have to maintain the list of allowed domains?
> I send lots of spam, and I configure DNS such that the sender domain
> of my spam resolves to your MX (*). Would you please receive millions
> non-deliverable mail notifications for me?
Yes. I was looking for a very short term (1-2 hours) fix for the
problem. I decided to go for a better approach and have the list of
allowed domains generated automatically so there is basic protection
against the semi-openrelay described above.
> Thanks for helping out.
> (*) I'll be happy to provide a bogus primary MX address that never