Expand your expertise with Spamhaus Know How, our free series aimed at filling in knowledge-gaps and helping you to maximize the benefits from DNS Blocklists and email filtering.

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Use blocklists at the initial point of setting up an email connection. You can reject emails immediately and significantly reduce the amount of processing required during content inspection.
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Not all blocklists are reactive. Our pro-active Policy Blocklist helps some customers drop up to 70% of emails at the initial connection, before the HELO stage.
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At the initial connection and SMTP transaction don't only use IP blocklists. Domain and Hash blocklists will provide increased protection. Domains can be listed before they're seen in the wild.

Resources

Six advantages to running your own email server

11 November 2020

Blog

Running your own mail server isn't for everyone. However there are advantages to be gained from brining email in-house.

Top 10 tips (+1) for running your own mail server

11 November 2020

Blog

Here are 11 ways to help email administrators make running their own email infrastructure a success.

DNS Blocklist Basics

11 November 2020

Blog

DNS blocklists should be your first line of defense against spam and other email-borne theats. Here is an intro to some DNSBL fundamentals.

Videos

Six advantages to running your own mail server

Blocklist Basics

Top 10 tips (+1) for running your own mail server