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Why my email blocked by Gmail?

Issue/Error: When sending email to gmail, it return bounced back error like below: This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: sample@gmail.com SMTP error from remote mail server after […]

How to remove Barracuda from blacklisted

IMPORTANT : You are highly recommended to resolve your spam issue before proceed the step below. 1. Go to http://mxtoolbox.com/blacklists.asp 2. Insert your email server ip address and click ‘Blacklist Check’ 3. Click on the details (Blacklist = BARRACUDA) 4. Under ‘Barracuda Requires A Manual Delisting Request’, click on the http://barracudacentral.org/rbl 5. On your left […]

Exim Mail Cheatsheet

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet. It is freely available under the terms of the GNU General Public Licence. In style it is similar to Smail 3, but its facilities are more general. There is a great deal of flexibility in the way […]

How To Configure SpamAssassin In DirectAdmin

DirectAdmin allows you to move spam emails directly into a separate folder by passing all your emails through a set of filtering rules first before going into your inbox. You will first need to configure SpamAssassin.   1. Where do you want the spam to go? Inbox (dont’ block it) – Direct all your spam mail to […]