On Fri, 25 Jan 2013, mario21 wrote:
Hello,
I have a question concerning whitelist and blacklist in SpamAssassin. Our
mail provider uses online DNS blacklists. One of my clients uses mail
provider whose IP addresses are almost all time on some blacklist and
therefore I can't receive emails from him. So my question is: Is it possible
to still use DNS blacklists and add domain of my client to whitelist? Will
it work?
From info what I've read I'm not sure... Or do DNS blacklists have higher
priority and whitelist will not help me in my case?
Thank you for help,
Mario
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Normally the answer would be no. This depends on how your mail provider
is using the dns blacklists.
For instance my mail provider queries several blacklists and will block
connections from ip's on those lists well before spamassassin is called to
parse the message.
The only effect changing your whitelist/blacklist settings would have is
if the blacklist queries occur inside of spamassassin.
Your client would be well served to find a new email provider that doesn't
have so many issues being on ip based blacklists.
Ted Hatfield
