In previous articles, we discussed several effective tips to block email spam. This tutorial will be showing you how to set up OpenDMARC with Postfix SMTP server on CentOS/RHEL to block email spoofing and spam. OpenDMARC is an open source DMARC email policy filter for MTAs (Message Transport Agent, aka SMTP server). What is DMARC…
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Set Up OpenDMARC with Postfix on CentOS/RHEL to Block Email Spoofing
Monday, March 9, 2020
Set Up OpenDMARC with Postfix on CentOS/RHEL to Block Email Spoofing
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