[rt-users] Sendmail - Sender address rejected: Domain not found

[Yaj Tap]

Can anyone help with this? 

We are getting <apache at rt.domain.com>: Sender address rejected: Domain not found error

If you need more info, please let me know.

Thank you.

> Date: Tue, 14 Jun 2011 15:28:42 -0400
> From: falcone at bestpractical.com
> To: rt-users at lists.bestpractical.com
> Subject: Re: [rt-users] Sendmail - Sender address rejected: Domain not found
> 
> On Tue, Jun 14, 2011 at 04:53:05PM +0530, Yaj Tap wrote:
> >    Hi Johan,
> > 
> >    Actually, This machine is a clone of the one of the RT that we have. And that RT
> >    got [1]apache at rt.domain.com address (which is working fine) but this one should be
> >    [2]apache at rt02.domain.com (I think??)
> 
> Check that 02.domain.com is actually a valid domain outside your
> firewall. Since you're obfuscating, we can't check for you.
> 
> Your error message says that relay-ex2.cch.ca believes that
> apache at rt.domain.com is invalid.
> 
> -kevin
> 
> >    It is working fine but just for some sub-domain email addresses it throws up error with
> >    [3]apache at rt.domain.com
> > 
> >    I checked apache configuration and other places where it could have wrong info but everything
> >    is fine. Not sure how this can be corrected. Sorry for the incorrect info in my previous
> >    email.
> > 
> >    Thanks for your help.
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> >    ----------------------------------------------------------------------------------------------
> > 
> >    From: Johan.Sjoberg at deltamanagement.se
> >    To: rt-users at lists.bestpractical.com
> >    Date: Mon, 13 Jun 2011 21:12:07 +0000
> >    Subject: Re: [rt-users] Sendmail - Sender address rejected: Domain not found
> > 
> >    Hi.
> > 
> > 
> > 
> >    The address you are sending from is deferred in the recipient*s mail server, because the
> >    domain does not exist. Do you have a MX record for the sender domain?
> > 
> > 
> > 
> >    /Johan
> > 
> > 
> > 
> >    From: rt-users-bounces at lists.bestpractical.com
> >    [mailto:rt-users-bounces at lists.bestpractical.com] On Behalf Of Yaj Tap
> >    Sent: den 13 juni 2011 22:12
> >    To: rt-users at lists.bestpractical.com
> >    Subject: [rt-users] Sendmail - Sender address rejected: Domain not found
> > 
> > 
> > 
> >    Hi All,
> > 
> >    We are encountering a issue with sendmail in RT. Following is the maillog from the /var/log
> > 
> >    Sendmail [102342]: psfafEADaAd: to=<[4]mary at cch.ca, delay=02:00:29, xdelay=00:00:02,
> >    mailer=esmtp, pri=79782, relay=relay-ex2.cch.ca. [IP Address], dsn=4.1.8, stat-Defferred: 450
> >    4.1.8 <apache at rt.domain.com>: Sender address reject: Domain not found
> > 
> >    We are suspecting it is a issue of sending emails to subdomain email addresses. Meaning emails
> >    to [5]abc at xyz.com will go out and but sometimes emails with [6]abc at lmn.xyz.com are not going
> >    out. We could be wrong...problem could be somewhere else.
> > 
> >    Any help will be really appreciated.
> > 
> >    Thank you.
> > 
> > References
> > 
> >    Visible links
> >    1. mailto:apache at rt.domain.com
> >    2. mailto:apache at rt02.domain.com
> >    3. mailto:apache at rt.domain.com
> >    4. file:///Users/falcone/tmp/mailto:mary@cch.ca,%20delay=02:00:29,%20xdelay=00:00:02,%20mailer=esmtp,%20pri=79782,%20relay=relay-ex2.cch.ca.%20[IP%20Address],%20dsn=4.1.8,%20stat-Defferred:%20450%204.1.8%20%3Capache at rt.domain.com
> >    5. mailto:abc at xyz.com
> >    6. mailto:abc at lmn.xyz.com
 		 	   		  
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