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A Complete Guide To Modus Spam Updates

Written by Yves Lacombe on . Posted in All about Spam

  From time to time, this question comes up from customers and partners alike.  What’s the process behind our update procedure for spam filtering and how do we feed the machine that keeps it detecting spam accurately over time?  I’m quite certain that other managed spam filtering businesses operate in a similar fashion so this [...]

What No One Tells You About Country-Based DNSBL Blocking

Written by Yves Lacombe on . Posted in Email Security & Antispam

Back in 2009, I wrote an article about country-based DNSBL blocking.   You can find the original article here:  http://www.vircom.com/security/country-based-blocking/ Thankfully, the person who runs the countries.nerd.dk blacklist is still around and operational and you can still use their country-based DNSBL zones to block certain countries from sending mail to you. Depending on the type of [...]

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