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postfix

How to reject mail for unknown users in postfix (local_recipient_maps)

How to reject mail for unknown users in postfix (local_recipient_maps)

In this tutorial I will cover below topics How to deliver mails only to valid users on localhost How to reject mail for unknown users on localhost with Postfix How to reject unknown local recipients ...

Read MoreHow to reject mail for unknown users in postfix (local_recipient_maps)

Categories local-recipient-maps, Mail Server Tags postfix, Tips and Tricks Leave a comment

How to restrict IP Address to use postfix smtp relay

How to restrict IP Address to use postfix smtp relay

In this tutorial we will cover below questions: How can I restrict my postfix relay server to be used by only certain IP Address How to restrict relay with postfix to certain IP Network How ...

Read MoreHow to restrict IP Address to use postfix smtp relay

Categories smtpd relay restrictions, Mail Server Tags postfix, Tips and Tricks Leave a comment

3 easy steps to configure gmail smtp relay with postfix

3 easy steps to configure gmail smtp relay with postfix

In this tutorial we will configure postfix to use third party GMAIL SMTP Relay server so that our Linux server will be able to send mail to external network using smtp.gmail.com   What is SMTP ...

Read More3 easy steps to configure gmail smtp relay with postfix

Categories GMAIL SMTP Relay, Mail Server Tags postfix, Tips and Tricks 2 Comments

Configure postfix mail server and client with examples (CentOS/RHEL 7/8)

How to configure postfix mail server and client with examples (CentOS/RHEL 7/8)

Postfix is a Mail Transport Agent (MTA) responsible for the transfer of e-mails between mail servers using the SMTP protocol. In this article I will share the steps to configure postfix mail server and client ...

Read MoreConfigure postfix mail server and client with examples (CentOS/RHEL 7/8)

Categories Mail Server, How To, Linux Tags DNS, postfix, smtp 12 Comments

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