DeeEmm

Pragmatism in code

Waxing lyrical about life the universe and everything software related since lunchtime 2006.

Fix your painfully slow PHP mail() function.

Fix your painfully slow PHP mail() function.

Having moved all of my sites to the Excellent Digital Ocean hosting I noticed that on some sites the php mail function seemed to be painfully slow and in some cases threw up some error messages telling me that it had failed. Googling didn't turn up too much in the way of solutions, most information seemed to suggest that the sendmail or postfix packages be installed instead.

Whilst sendmail and postfix are both great solutions, I did not really want to install a fully fledged mail server on my box as all email handling for my domains is handled on a separate server. It seemed like too much of a waste of resources so I decided to simply fix the issue with the php mail() function. 

After doing a bit of digging I discovered that the issue lay with the hosts file. The host info was incorrect.

Editing the hosts file is pretty easy to do, but first you will need to know what the current hostname is set to. To do this simply type in the following command at the command prompt

hostname

This will return the hostname for your server, in my case it was marzipan

Next edit your hosts file. On Ubuntu this is can be found at /etc/hosts. To edit the hosts file invoke your favourite editor, for example

sudo nano /etc/hosts

What I found in my hosts file was that the fully qualified local host name was missing. Instead of looking like this

127.0.0.1       localhost localhost.localdomain marzipan

It looked like this

127.0.0.1       localhost marzipan

I simply edited the file, adding the localhost.localdomain reference and then saved the file. (obviously)

To ensure that the change was picked up I restarted apache, on my server I use the following command

sudo service apache2 restart

That's it! My email is now fixed and my websites can happily and easily send email messages without issue. There's no delays and my php code doesn't hang when trying to call the php mail() function. A pretty easy fix for a rather annoying issue.

/DM

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