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

[Kevin Falcone]

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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