Using SMTP authentication for your scripts, like you would with a mail client, is important for proper mail delivery as anti-spam filters will score mail sent via a script differently then via a mail server that you have to login in to. As such, using SMTP authentication is recommended and some servers require it. Below you'll find some examples for various popular scripts on how to use SMTP authentication with a script.
Custom PHP
Using a SMTP authentication class, such as PHPmailer, is recommended. There is an example of this at http://u2-web.com/support/downloads/formmail/
Wordpress
Using a plugin, such as WP Mail SMTP - http://wordpress.org/plugins/wp-mail-smtp/ . Install the plugin as normal and go to the Settings → WP Mail SMTP or other plugin that you may use.
Settings for WP Mail SMTP:
From Email: the email that you want the email to be seen as sent from – it should be on the same domain as the user you'll be using
From Name: this will be what is shown as the name that sent the email and can be anything you want
Mailer: Send all Wordpress emails via SMTP
SMTP Host: mail.example.com mail.u2-web.com – where example.com is your domain name or where mail.u2-web.com is our actual server name that you can get from us
SMTP Port: 465
Encryption: Use SSL encryption
Authentication: Use SMTP Authentication
Username: a mailbox that is setup in the control panel – we recommend using a specific mailbox for this purpose such as outbound@example.com .
Password: the password that is used for that mailbox
Joomla
Joomla has built-in SMTP authentication functions and you would set them up under Site → Global Configuration → Server → Mail settings
Settings for Joomla:
Mailer: SMTP
From Email: the email that you want the email to be seen as sent from – it should be on the same domain as the user you'll be using
From Name: this will be what is shown as the name that sent the email and can be anything you want
Sendmail Path: can be ignored / left as default value
SMTP Authentication: Yes
SMTP Security: SSL
SMTP Port: 465
SMTP Username: a mailbox that is setup in the control panel – we recommend using a specific mailbox for this purpose such as outbound@example.com .
SMTP Password: the password that is used for that mailbox
SMTP Host: mail.example.com mail.u2-web.com – where example.com is your domain name or where mail.u2-web.com is our actual server name that you can get from us
Drupal
Download the SMTP authentication module - https://www.drupal.org/project/smtp .
Install:
Download module
Expand the archive that you downloaded
Upload the smtp folder to your drupal install at sites/all/modules
Login to Drupal admin and go to Modules and enable SMTP Authentication Support .
Drupal SMTP Authentication Module Settings:
SMTP Server: mail.example.com mail.u2-web.com – where example.com is your domain name or where mail.u2-web.com is our actual server name that you can get from us
SMTP backup server: leave blank
SMTP Port: 465
Use Encrypted Protocol: Yes / SSL
Username: a mailbox that is setup in the control panel – we recommend using a specific mailbox for this purpose such as outbound@example.com .
Password: the password that is used for that mailbox
The above is most popular scripts on our systems. If you think a script should be added to the above, please let us know and we will add them. Most other scripts will have SMTP information in their documents.
For general Information, scripts should use the following SMTP authentication info:
From Email: the email that you want the email to be seen as sent from – it should be on the same domain as the user you'll be using
From Name: this will be what is shown as the name that sent the email and can be anything you want
SMTP Host / server: mail.example.com mail.u2-web.com – where example.com is your domain name or where mail.u2-web.com is our actual server name that you can get from us
SMTP Port: 465
Encryption: Use SSL encryption
Authentication: Use SMTP Authentication
Username: a mailbox that is setup in the control panel – we recommend using a specific mailbox for this purpose such as outbound@example.com .
Password: the password that is used for that mailbox
