How to remove CRAM-MD5 authentication from your e-mail client

Applies to:
Professional Hosting
Business Hosting
Reseller Hosting
WordPress Hosting

Difficulty:
Easy

Time Needed:
5 minutes

Introduction

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 There are various forms of authentication for e-mail, including “CRAM-MD5 authentication”, which is an outdated authentication protocol.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


Article Contents



Updating authentication in Outlook


Step 1

Open Outlook

Firstly, you'll need to open Outlook by clicking on the Outlook icon.

Open Outlook

Step 2

Choose 'File'

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

Choose 'File'

Step 3

Choose 'Account Settings'

Then click on 'Account Settings'

Choose 'Account Settings'

Step 4

Choose 'Change'

Then click on the option labelled 'Change'.

Choose '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.

Set 'Outgoing server (SMTP)'' authentication

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.

Open Mac Mail

Step 2

Choose 'Preferences'

Once Mac Mail has opened, choose 'Mail' from the main menu, then from the drop down menu choose 'Preferences'.

Choose 'Preferences'

Step 3

Choose 'Accounts'

From the preferences pane, choose 'Accounts'. Then select your email address from the column on the left hand side.

Choose 'Accounts'

Step 4

Edit SMTP Server List

Location the section labelled 'Outgoing Mail Server (SMTP)' and click on the drop down menu. Then choose 'Edit SMTP Server List…'.

Edit SMTP Server List

Step 5

Select your outgoing mail server

Select your outgoing server (this will most likely be smtp.yourdomain.com), then click on 'Advanced'.

Select your outgoing mail server

Step 6

Update authentication settings

Locate the drop down menu labelled 'Authentication'. If your authentication setting is set to 'MD5 Challenge Response' then you will need to change it. Simply click on the drop down menu and choose 'Password'. Click 'OK' to save your settings.

Update authentication settings

Step 7

Choose 'Advanced'

You will then be returned to the account preferences screen. Simply click on the tab labelled 'Advanced'.

Choose 'Advanced'

Step 8

Uncheck 'Automatically detect and maintain account settings'

Locate the check box labelled 'Automatically detect and maintain account settings', and if it is checked, click on the check box to uncheck it. Once that step is completed, you have successfully updated your authentication settings.

Uncheck 'Automatically detect and maintain account settings'

Updating authentication in Thunderbird


Step 1

Open Thunderbird

Firstly, you'll need to open Thunderbird by clicking on the Thunderbird icon.

Open Thunderbird

Step 2

Choose 'View setting for this account'

Ensure the correct email address is selected in the left hand column, then click on the option labelled 'View settings for this account'.

View setting for this account

Step 3

Choose 'Outgoing Server (SMTP)'

This is bring up your settings menu. Click on the option labelled 'Outgoing Server (SMTP)' from the left hand column.

Outgoing Server (SMTP)

Step 4

Choose 'Edit'

Then click on the button labelled 'Edit'.

Choose 'Edit'

Step 5

Choose 'Edit'

On the edit pane, locate the drop down menu labelled 'Authentication method'. If your authentication setting is set to 'Encrypted password' then you will need to change it. Simply click on the drop down menu and choose 'Normal password'. Click 'OK' to save your settings, and you have successfully updated your authentication settings.

Choose 'Edit'

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