OTBR: Is mail really getting through

[Glenn Steen]

On 14/02/07, John Van Ostrand <john at netdirect.ca> wrote:
> On Wed, 2007-02-14 at 12:25 -0600, John Schmerold wrote:
> > Systems like Nagios do a fine job of making sure that an SMTP server is
> > up, however it does not confirm mail is flowing. This morning, something
> > was causing Postfix to throw "450 Server configuration problems"
> > rejections (I think policyd died), a quick reboot solved the problem.
> >
> > I want to know about this before the phone rings.
> >
> > To me: a logical solution would be a program that sends emails every 10
> > minutes to itself through a relay, then checks its account via POP3 to
> > make sure it got the message. If it doesn't get the email with 5 minutes
> > it starts alerting me through SMS, fax, phone call whatever.
> >
> > Anyone know of such a beast?
> >
> > BTW: OTRB is OT But Related
>
> Couldn't that be a Nagios script?
>
> Have a cron job submit the email at 1/5 (cron-speak) minutes, then have
> a Nagios script pull in at 0/5 to verify. That would give a full 4
> minutes for the email server to process it. It would make sense to put a
> distinct tag in the email to make sure it sees the correct message.
>
Good suggestion. Another would be to try monitor policyd ... at least
making sure it's there (this would be a very trivial script indeed:-).

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se