Greetings all,
I am trying to find the syntax to enable MX lookups in Exim but so far I have hit a brick wall.
I found something but the current build version in my ASL 5.212 doesn't support some commands like dnsdb for example.
I would really would like to reject those emails who are not from genuine MX records but there does not seem to be a straight forward way to tell Exim to reject them except based on SPF which is not yet widely implemented.
Don't get me wrong it is doing an excelent job, I am not complaining, but I would like to tighten the net even further.
Any help would be much appreciated
Best Regards
Michael
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