Ignoring MX records - how common

[Simon Waters]

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Mark_Andrews at isc.org wrote:

>>Mark, you're assuming things all follow the RFC's, my question
>>is how many don't.
>
>
> 	Why do you care?

It's my mail, well a fair proportion of the mail lost or abused
this way is destined for me.

> 	All such MTAs are BROKEN.

Agreed, but I've already notified the relevant admins, who seem
totally unconcerned (or unconvinced perhaps) that their mail
servers are bust.

> 	The best thing
> 	you can do with a broken MTA is to not accept mail from it.
...
> 	Well you are doing them a disservice by accepting the email.

Hmm - it will be a pain to configured, but I can redirect the
servers in question to an SMTP bounce program, and set a
relatively caustic reason for the bounce.
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