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problems sending email to Barracuda protected sites

problems sending email to Barracuda protected sites

problems sending email to Barracuda protected sites

(OP)
This is what Barracuda claims:
The null sender server, "server.us.org", should have their server records/mail configuration corrected to provide a valid return path.

OK, what are they talking about? What should I be looking for?
Is this a sendmail or DNS thing? Both?

thanks,

RE: problems sending email to Barracuda protected sites

Does your email have a return MX record?  That is what it is asking...

RE: problems sending email to Barracuda protected sites

(OP)
when I go to a different network and try
   dig us.org MX
it returns
;; ANSWER SECTION:
us.org.               1W IN MX        15 server.us.org.

   dig server.us.org MX
does not return an ANSWER SECTION

Do they want me to put in the named.conf
server.us.org. IN      MX   10 server.us.org.

or is there a change to sendmail to be made?

 

RE: problems sending email to Barracuda protected sites


I believe they want a return MX for server.us.org., as you have there.

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