[CentOS] how to monitor,or be notified of email blacklisting ?
Ned Slider
ned at unixmail.co.uk
Fri Mar 12 12:32:31 UTC 2010
Rudi Ahlers wrote:
> Hi,
>
> Does anyone know how I can monitor our server's for blacklisting? We
> run a large amount of shared hosting & reseller hosting servers and
> from time to time one of the IP's will get blacklisted. I'm looking
> for a way to be notified if any of our IP's get blacklisted. Is this
> possible?
>
You could manually check your IP address(es) here:
http://www.dnsbl.info/
Alternatively, just read your logs (or write a simple script to parse
them for you). You'll receive a 5xx rejection and usually a reason/URL
from the main blacklists whenever you are blocked.
If you're using postfix as your MTA, check out pflogsumm.
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