Re: Whitelist IP

[Alessandro Vesely <vesely@xxxxxxx>]

On Wed 24/Jun/2020 19:05:42 +0200 Dan wrote:
> Hello, I am with an ISP in South Dakota. We have a pair of Barracuda
> email filters that keep ending up getting blacklisted. We have rate
> limiting in place as well as spam mitigation. Could I get our IP
> addresses whitelisted to avoid this happening in the future?
> 
> I spoke to Abusix about this, (This is where the blacklist entry
> started) and they pointed me in this direction for the whitelist process.
> 
> Our two IP addresses are 64.251.188.104 and 64.251.188.15.


Do you have full control on those IPs?  How about reverse DNS?  You
may want to consider changing ISP...

Both addresses are currently blacklisted by SORBS (www.sorbs.net),
64.251.188.15 also by PowerWeb DNSBL (www.dnsbl.de/).  Some entries
look current (2020).  You should investigate what machines/processes
are spewing spam from your IP addresses, then get delisted.

Being whitelisted won't prevent getting blacklisted again.  And which
listing takes precedence is up to each receiver.

Best
Ale
--