SMTP server altering the domain part of address
Hi all.
I have a rather peculiar problem with some SMTP servers out there - maybe the collective wisdom of this forum will help me find a way out...
This is what happens:
1.) Somebody in City Hall composes an email to me@mydomain.com (the correct address) and pushes Send;
2.) Their brilliantly configured SMTP server somehow changes the address to me@www.mydomain.com;
3.) Cpanel59 answers to such an address with '451 Temporary local problem - please try later';
4.) Four days and many attempts later their SMTP server gives up and returns the message as undelivered!
The problem is clearly on their side and I should just contact their admin to take a look at the matter, right? Well, not so fast.
The server is maintained by a kinda-half-private-half-nobodyknows company with a monopoly over the local government's IT structures, which does indeed behave like a dumb monopolist - there is exactly zero probabilities that the bozos could even consider it a problem worth their time (assuming they're up to the task at all). If I want to receive mail from City Hall or from my Regional assembly representative (who is, BTW, a customer) it's me having to bend over backwards.
My question is: what happens if I set up www.mydomain.com to be an add-on domain to mydomain.com and redirect all mail up to mydomain.com? Would I end up having both a www CNAME and a NS pointer for the www zone in DNS? Would this thing mess up somehow the VirtualHost configuration?
Better still, does somebody know of a better way to have the mail server accept messages for me@www.mydomain.com without wreaking havoc all over the place?
Thanks in advance
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