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PHP Sendmail

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Correct usage of From: headers with mail sent through PHP (sender envelope)

Last updated: 19/01/2016

A well known problem when sending e-mails through webservers is the wrong From: address that by default points to the server's name. This can cause some problems: mails never arrive, replies are sent to a non active or not actively checked mailbox and bounces may arrive at the hosting company or worse disappear in the bitbucket.

In PHP it is relatively easy to fix:

<?php

	mail('nobody@yourdomain.com', 'subject', 'message', null, '-f from@yourdomain.com');

?> 

The last parameter ' -f ' allows you to specify the From: address for the sendmail function.