Mail to wildcard MX records doesn't work from Yahoo Mail, but fine from other addresses

2010-04-13 Thread Bob Eastbrook
I use wildcard MX records for mail, and a wildcard CNAME for web traffic. For example: *.example.com = MX record for mail.example.com *.example.com = CNAME myapp.appspot.com Email to b...@foo.example.com gets delivered to mail.example.com, and web traffic to http://foo.example.com goes

Re: Mail to wildcard MX records doesn't work from Yahoo Mail, but fine from other addresses

2010-04-13 Thread Bob Eastbrook
On Tue, Apr 13, 2010 at 1:01 AM, Simon Waters wrote: > > Your post appears mangled beyond hope of direct assistance. Are you saying that the message was improperly formatted? >> Remote host said: 554 5.7.1 : Relay access denied > > This implies that your server rejected it. So where is the log

Re: Mail to wildcard MX records doesn't work from Yahoo Mail, but fine from other addresses

2010-04-14 Thread Bob Eastbrook
Summary: Thanks for all of the responses. I originally thought this was a Postfix issue, but now I see that I was doing something invalid in DNS. I'm surprised that my otherwise excellent nameserver provider allowed me to do this.

virtual domains for wildcard MX records?

2009-12-30 Thread Bob Eastbrook
Forgive me if this is a FAQ, but I've looked all over and I don't see it addressed. I have a wildcard MX record for *.example.com which points to mail.example.com. I know how to configure postfix to accept individual virtual domains such as host1.example.com, but how can I set it up to handle any

Re: virtual domains for wildcard MX records?

2009-12-31 Thread Bob Eastbrook
On Thu, Dec 31, 2009 at 6:27 AM, Wietse Venema wrote: > APPEND a regular expression map to your virtual_alias_maps > definition. Many thanks. I'm all set now. Bob