[CentOS] automated smtp server check

[Les Mikesell]

On Fri, Nov 7, 2014 at 1:59 PM, Keith Keller
<kkeller at wombat.san-francisco.ca.us> wrote:
> On 2014-11-07, Iain Morris <iain.t.morris at gmail.com> wrote:
>> For some fast and free monitoring along with DNS
>> verification/blacklist/config checks of your MX records, MXToolbox
>> lets you monitor one domain for free.  Nice to have an external,
>> independent source checking your public MTA.  Nagios is still what I
>> would choose for minute-by-minute checks but MXToolbox is free, and
>> isn't tied to your infrastructure in any way.
>
> I know we're getting a littl off topic, so I'll ask first: there are a
> bunch of external services I use to monitor things like DNS and SMTP
> which are difficult to get a true handle on from the inside.  Is it too
> off-topic to talk about some of these resources on list?
>
> (MXToolbox looks pretty interesting, I'll look into it for myself
> later.)

If you want to run your own - and have remote systems to handle it,
opennms can run remote monitor agents  (via java remoting) that report
back to the central server.

-- 
    Les Mikesell
       lesmikesell at gmail.com