Comments on: How to Setup Postfix Mail Server (SMTP) using null-client Configuration – Part 9 https://www.tecmint.com/setup-postfix-mail-server-smtp-using-null-client-on-centos/ Tecmint - Linux Howtos, Tutorials, Guides, News, Tips and Tricks. Fri, 30 Jun 2017 13:28:25 +0000 hourly 1 By: gajendran https://www.tecmint.com/setup-postfix-mail-server-smtp-using-null-client-on-centos/comment-page-1/#comment-897821 Fri, 30 Jun 2017 13:28:25 +0000 http://www.tecmint.com/?p=15820#comment-897821 Hi, Thanks for great useful post, I need one help, I am using five IP’s.

Where as when i sent mail from each ip but it shows originating IP : X.X.X.250 only, which means first ip. How to resolve this. where to do..

]]> By: vikram kumar chakrawarti https://www.tecmint.com/setup-postfix-mail-server-smtp-using-null-client-on-centos/comment-page-1/#comment-850332 Tue, 20 Dec 2016 16:34:56 +0000 http://www.tecmint.com/?p=15820#comment-850332 postfix null client

]]> By: Paolo https://www.tecmint.com/setup-postfix-mail-server-smtp-using-null-client-on-centos/comment-page-1/#comment-837667 Sun, 13 Nov 2016 11:41:25 +0000 http://www.tecmint.com/?p=15820#comment-837667 In reply to Tomas.

I was thinking the same

]]> By: Tomas https://www.tecmint.com/setup-postfix-mail-server-smtp-using-null-client-on-centos/comment-page-1/#comment-800619 Tue, 19 Jul 2016 16:24:18 +0000 http://www.tecmint.com/?p=15820#comment-800619 Just a small thing, you do not need to open the SMTP port on a Postfix null-client – a null-client cannot receive emails from outside, therefore opening the port isn’t required.

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