Disable CRAM-MD5 authentication from e-mail client

Applies to:
Professional Hosting

Difficulty:
Easy

Time Needed:
5 Minutes

Introduction

When your mail client connects to our mail servers to pick up your email, it uses authentication in order to keep the contents of your email secure. There are various forms of authentication for email, including “CRAM-MD5 authentication”, which is an outdated authentication protocol.

In this guide we will look at how to check if you are using CRAM-MD5 authentication, and how to change it to a more up-to-date and secure protocol.

Updating authentication in Outlook

Step 1
Open Outlook

You’ll need to open Outlook by clicking on the Outlook icon

STEP 2
Choose ‘File’

Once Outlook has opened, click on ‘File’ from the main menu.

STEP 3
Choose ‘Account Settings’

Then click on ‘Account Settings’

STEP 4
Choose ‘Change’

Then click on the option labelled ‘Change’.

STEP 5
Set ‘Outgoing server (SMTP)’ authentication

Locate the section labelled ‘Outgoing server (SMTP)’, and the drop down menu below it, next to text that reads ‘Use the following type of encrypted connection’. Simply click on the drop down menu and choose ‘TLS’. The update the number in the text field adjacent to text that reads ‘Outgoing server (SMTP)’, to 587. Click ‘OK’to save your settings, and you have successfully updated your authentication settings.

Updating authentication in Mac Mail

STEP 1
Open Mac Mail

Firstly, you’ll need to open Mac Mail by clicking on the Mail icon, in your dock.