Published on : August 29, 2019 by Glenn Max
DMARC stands for Domain-based Message Authentication and Conformance. A DMARC policy allows a sender’s domain to indicate that their emails are protected by records like SPF, DKIM, etc. and tells a receiver what to do if neither of those authentication methods passes – such as to reject the message or quarantine it. The policy can […]
Published on : August 14, 2019 by Eric Maze
This issue normally occurs when STAPLING is enabled and you are not able to connect to the SSL CA provider. Normally it’s because of network error in the datacenter. You can verify that by pinging from your server (where you are facing this issue) to SSL CA provider. In our case ocsp.int-x3.letsencrypt.org. If you not […]
Published on : July 1, 2019 by Eric Maze
cPanel/WHM hosting environment on Amazon AWS cPanel is a Linux based web hosting control panel that works through a Graphical user interface(GUI). The main advantage of cPanel server is that it can be easy to install and configure websites and E-mail. It can be even installed on an operating system which is minimally configured. WHM […]
Published on : June 14, 2019 by Eric Maze
Mail servers use a wide array of anti-spam checks to keep out spam. This includes IP reputation check, message composition, RFC compliant SMTP handshake, mail user feedback, and more. All these checks together produce a spam score that determines whether a mail is a spam or not. Spammers constantly adapt to these anti-spam measures, so […]
Published on : May 18, 2019 by Albert Reilly
Using a custom filter with custom rules to discard emails considered spam across the whole server. HOWTO Exim uses a global file to set filters for all the accounts in a server, but they contain just some default rules. We can add new rules to this file and make filters to work across the server. […]
