Archive for the ‘mail’ Category

Add SPF record for your email relay server to avoid being counted as a spam

Posted on November 22, 2017, 1:28 pm, by admin, under dns, mail.

Step 1. Add SPF record to your DNS server Create TXT record type and add the following text without quotes “” @ TXT "v=spf1 a mx include:myrelay.com ~all"@ TXT "v=spf1 a mx include:myrelay.com ~all" Step 2. Check if SPF record is added correctly username@laptop:/home/username# dig myhostname.com TXT   <<>> DiG 9.10.3-P4-Ubuntu <<>> myhostname.com TXT ;; […]

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Postfix localhost IP address only bind configuration

Posted on September 11, 2017, 11:51 am, by admin, under mail.

Open /etc/postfix/main.cf file: bash# vi /etc/postfix/main.cfbash# vi /etc/postfix/main.cf Append / modify line as follows to bind to localhost (127.0.0.1) only: inet_interfaces = 127.0.0.1inet_interfaces = 127.0.0.1 Type the following to restart Postfix: bash# /etc/init.d/postfix restartbash# /etc/init.d/postfix restart

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Configuring Exim4 on Ubuntu

Posted on August 17, 2016, 10:11 am, by admin, under mail.

Use the following utility: dpkg-reconfigure exim4-configdpkg-reconfigure exim4-config

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