On Sun, Aug 27, 2000 at 09:43:46PM +0000, J!M wrote:
> I'm having an annoying 
> problem with some mail sent from virtual domains. Apparently, 
> some receiving mail servers check DNS MX records for the 
> sender's domain, and rewrite the from: sender: and reply-to: 
> headers based on the DNS response. 

Send a clue to postmaster@stupidserver. They shouldn't be doing that.

> Based on the DNS & BIND book, I've got the MX records for all of 
> my virtual domains set to the FQDN of my mail server. Is it 
> possible for me to replace the FQDN with the virtual domain in my 
> DNS MX records and still have qmail recognize and accept 
> incoming mail for these domains? I have these domains listed in 
> my rcpthosts file.

Yes, as long as the MX points to a canonical name (an A record vs a
CNAME record).

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