Sometimes we may face problem with our webmail when the spam mails generated from it changing the from ID and from server itself (127.0.0.1). In that case we may enforce a authentication to access our webmail. Lets see how we can…

I used Debian 6.0.0 OS. Step: 1 At first we need apache. apt-get install apache2 Step: 2 Download openwebmail tar from internet. #wget http://www.openwebmail.org/openwebmail/download/release/openwebmail-2.53.tar.gz Step: 3 tar -…

Mail Box: /var/mail : echo> "mail_ID"

1. Defferred mails delete:   postsuper -d ALL deferred   2.   Delete all queued messages from or to the domain called fackspamdomain.com : ./ postfix-delete.pl fackspamdomain.com   3. Delete all queued messages that contai…

By default postfix SMTP works on 25 port.   You can check this by following command with the output below: #netstat -nat tcp        0      0 0.0.0.0:25             0.0.0.0:*               LISTEN    Here we will change the port …

Sometimes we get some undelivered mails from our users. It shows:   " cannot update mailbox /var/mail/xxxx. error writing message: File too large ". Step 1. Just put a line in postfix main.cf file. # vim /etc/postf…

At first install the following packages. Step 1: apt-get install libtimedate-perl libnet-netmask-perl libberkeleydb-perl   Step 2: apt-get install pop-before-smtp   Step 3: vim /etc/pop-before-smtp/pop-before-smtp.conf ( unh…