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.

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

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

2010-04-13 Thread Simon Waters
On Tuesday 13 April 2010 08:16:47 Bob Eastbrook wrote: Your post appears mangled beyond hope of direct assistance. Remote host said: 554 5.7.1 b...@myapp.appspot.com: Relay access denied This implies that your server rejected it. So where is the log from your server? The DNS config you give

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 sim...@zynet.net 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 b...@myapp.appspot.com: Relay access denied This implies that your server

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

2010-04-13 Thread Simon Waters
On Tuesday 13 April 2010 10:16:49 Bob Eastbrook wrote: On Tue, Apr 13, 2010 at 1:01 AM, Simon Waters sim...@zynet.net wrote: Your post appears mangled beyond hope of direct assistance. Are you saying that the message was improperly formatted? No I'm saying I don't think you aren't

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

2010-04-13 Thread Tom Hendrikx
Bob Eastbrook wrote: NOQUEUE: reject: RCPT from web81307.mail.mud.yahoo.com[68.142.199.123]: 554 5.7.1 b...@myapp.appspot.com: Relay access denied; from=a-yahoo-u...@yahoo.com to=b...@myapp.appspot.com proto=SMTP helo=web81307.mail.mud.yahoo.com This says that the yahoo user tries to send

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

2010-04-13 Thread Noel Jones
On 4/13/2010 2:16 AM, Bob Eastbrook wrote: 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 MX records must not point to a CNAME. Email to

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

2010-04-13 Thread Victor Duchovni
On Tue, Apr 13, 2010 at 12:16:47AM -0700, Bob Eastbrook wrote: 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 This is invalid. No DNS domain can resolve

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

2010-04-13 Thread mouss
Bob Eastbrook a écrit : 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 so you say that *.example.com is an alias (CNAME record), yet you want to give