ZIMBRA: Enable plain text authentication
This post explains how to enable plain text authentication in Zimbra mail server, it also explains the necessary changes ...
Zimbra: Configure Sender Address Verification
In Zimbra mail initially mail lands in the proxy SMTP port and then is sent to the actual SMTP ...
Enabling Brutforce Notifications on Zimbra Mail Server
Like any other mail server's Zimbra too is prone to SMTP brutforce attacks. Hackers around the world try to ...
Clear Exim Mail Queue
Spamming is one of the things we often face as administrators in the day to day work, if you ...
Installing Zimbra 8.6 on CentOS 7
1. Setup hostname
2. Add entry in hosts file
3. Install dependencies
yum install nmap-ncat perl perl-core sysstat
4. Download Zimbra installation file ...
Exim:Important Exim Mail Server commands
1. To check the number of emails present in the queue:
exim -bpc
2. To check the emails present in the ...
Zimbra: Assign a dedicated Outgoing SMTP IP for a domain
Zimbra Outgoing SMTP IP per Domain
1. Add the following line in “/opt/zimbra/postfix/conf/main.cf”
sender_dependent_default_transport_maps = regexp:/opt/zimbra/postfix/conf/sdd_transport_maps.regexp
2. Create the file “/opt/zimbra/postfix/conf/sdd_transport_maps.regexp” and ...
BASH: Script to alert when Exim mail queue is HIGH
The following script sends an alert whenever the exim mail queue is greater than a certain threshold
#!/bin/bash
if [ `/usr/sbin/exim ...
Script to Test Email Mail Delivery using SMTP Authentication
The below script may be useful to test the mail delivery using email authentication with and without SSL
Note:
The ...
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