[TriLUG] mail server not accepting mail from my RR mail account

[Jim Ray]

telnet to port 25 and see what you get when you manually send email.

	-----Original Message----- 
	From: Chris Merrill [mailto:cmerrill at nc.rr.com] 
	Sent: Thu 2/13/2003 10:24 AM 
	To: trilug at trilug.org 
	Cc: 
	Subject: [TriLUG] mail server not accepting mail from my RR mail account
	
	

	Just wanted to see if anybody else had run into this problem:
	(I'm running Postfix on RH7.3)
	
	I recently changed my dynamic DNS service provider from DNS2GO
	to DynDNS.org.  After getting it setup, I tested sending myself
	mail - from my RR account to my account in the domain I am hosting
	on my box at home.  The mail was bounced.  I assumed that there
	was something wrong with my configuration - so I read the FAQs at
	DynDNS...which basically told me that if the machine resolving
	to mydomain.net is the mail server, then I don't need to configure
	MX records.  The mail server was working fine before I switched
	DNS providers.
	
	Today I tried sending mail to the account from my work account and
	it got through.  It looks like mail coming from one of RR's servers
	is not allowed to my server.  This was not the case when I first
	configured Postfix on this machine (~14 months ago).
	
	Has anyone else tried this lately?
	
	If my conclusion is correct - then nobody with an @nc.rr.com
	(or @rr.com?) mail address can send mail to my server  :(
	
	*********************************
	Chris Merrill
	cmerrill at nc.rr.com
	*********************************
	
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