You need to fix DNS.
192.168.2.101 is your mail relay, trying to resolve 192.168.2.100 (opsview
appliance) and is unable to. Your postfix config contains
reject_unknown_sender_domain
Reject the request when Postfix is not final destination for the
sender address, and the MAIL FROM address has no DNS A or MX record,
or when it has a malformed MX record such as a record with a
zero-length MX hostname (Postfix version 2.3 and later).
hth
Paul
> I'm getting the following error when I send out test alerts from the
> opsview appliance.
>
> Sep 27 22:19:46 opsview-appliance postfix/smtp[23312]: 6B405124143:
> to=<nag...@localdomain>, relay=192.168.2.101[192.168.2.101]:25,
> delay=0.02, delays=0.01/0/0/0.01, dsn=5.7.1, status=bounced (host
> 192.168.2.101[192.168.2.101] said: 550 5.7.1 <nag...@localdomain>...
> Relaying denied. IP name lookup failed [192.168.2.100] (in reply to RCPT
> TO command))
> Sep 27 22:19:46 opsview-appliance postfix/qmgr[23202]: 6B405124143:
> removed
>
>
> Where do I change the from address for the send_to_email command?
>
>
> Christopher Muench
> Network Administrator
> NetWorth Services Inc.
> 1661 E. Camelback Road
> Suite 200
> Phoenix, AZ 85016
> 602.222.6380 office
> 602.222.6383 fax
> [email protected]<mailto:[email protected]>
>
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