Prolateral Consulting Ltd
Prolateral Consulting Ltd
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Setup examples

Prolateral offers primary and backup domain (DNS) services, with servers in key geographic locations providing the best service possible.


How do I set up outbound SMTP on Apple's Mac Mail?
How do I set up outMail on Mac Mail?


Follow the guide below to configure Apple's Mac Mail to send emails using the outMail service.

Launch Mac Mail from the App Launcher. The icon looks like the one shown below.

Apple Mac Mail icon

From the Menu select Mail -> Preferences.

Apple Mac Mail Preferences


The Accounts window will appear, select the tab labelled "Server Settings".

Apple Mac Mail Server Settings


Scroll down to the Outgoing Mail Server (SMTP) section.

In the Host name field change the SMTP server to (Your assigned outMail server will be in your welcome email and also the management portal)

Enter the username and password you were provided for outMail and click OK.

Please refer to your welcome information on accepted ports and encryption levels.

Apple Mac Mail icon

Click Save to finish.

Video Tutorial


Summary of server details

Outgoing server

As provided in your signup email.

Outgoing server protocol


Outgoing server port

25, 465, 587, 2525 or 8025

Authentication Type

Basic Authentication, SSL and TLS supported


As provided


As provided

Uninstalling / Removing outMail

To change your outgoing SMTP server settings away from outMail simply follow the setup guide above and where asked to enter the outgoing SMTP mail server address and login credentials please use those provided to you for the service provider you are moving to.

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