Verizon & Text Messages

Max Hetrick maxhetrick at verizon.net
Thu Apr 3 15:28:16 CEST 2008


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McCann, Brian wrote:
> Verizon Wireless has now gotten more restrictive with text messages via
> email.  Our Nagios server sends text messages to 5554443333 at vtext.com
> <mailto:5554443333 at vtext.com> , from nagios at server.domain.internal
> <mailto:nagios at server.domain.internal> (the box's hostname does not
> resolve from the Internet).  Starting last night, Verizon is now
> bouncing the mail, saying:
>  
> 553 #5.1.8 Domain of sender address <*********> does not exist (MTA,
> Unknown, with IP address, X.X.X.X).
>  
> Does anyone know of a way to get Nagios to use a different From address
> (ie, a legit one)?


Do you have an internal mail server that's legit on the outside world?

Through postfix on Nagios I run the messages through our internal mail
server as a relayhost. For example:

/etc/postfix/main.cf

relayhost = [mail.myserver.mydomain]

This is a legitimate mail server, so it passes muster when sending the
message. Nagios spits the message to 1234567899 at vtext.com, but it gets
processed through mail.myserver.mydomain before it goes out the door.

Just a thought.

Regards,
Max
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