What are the best settings for DNS Blacklisting?

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tdehan
Posts: 195
Joined: Sun May 01, 2005 6:31 pm

What are the best settings for DNS Blacklisting?

Post by tdehan » Mon Mar 27, 2017 7:45 pm

Curious what the best settings are for DNS Blacklisting under SMTP Properties. I have the following configuration and as of recent getting a buttload of spam daily.

Image

Is there a better configuration? Are there different blacklists that are better to add?

Thanks

tdehan
Posts: 195
Joined: Sun May 01, 2005 6:31 pm

Re: What are the best settings for DNS Blacklisting?

Post by tdehan » Thu Mar 30, 2017 11:59 pm

Really?

Brett Rowbotham
Posts: 542
Joined: Mon Nov 03, 2003 7:48 am
Location: Cape Town

Re: What are the best settings for DNS Blacklisting?

Post by Brett Rowbotham » Fri Mar 31, 2017 8:06 am

I don't use the URL blacklisting, only DNS. I had to get rid of Barracuda because it was blocking legitimate (for us) mail sources. I use SpamCop and SpamhausSBL-XBL.

We get quite good results from those two. Stats for this month are SpamhausSBL-XBL blocks at 12,886 and Spamcop blocks at 17,964.

Cheers,
Brett

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