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Tag: Email

Zimbra

Zimbra Tips : How To Enable PTR/Reverse DNS Lookup for Incoming Email

March 20, 2017 iman 2

Most of spam email sent from public IP who did not have PTR/Reverse DNS. What is PTR/Reverse DNS, you can

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Zimbra

How To Configure Receive Email From The Internet/Outside

March 15, 2015 iman 17

After installing Zimbra as described at this guidance : installing Zimbra on CentOS 6 or install Zimbra on CentOS 7, by

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