MC340755 – Basic Authentication – IMAP4

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check before: 2022-03-22

Product:

Exchange, Outlook

Platform:

Android, Developer, iOS, Mac, mobile, Online, Web, World tenant

Status:

Change type:

Retirement

Details:

We're making some changes to improve the security of your tenant. We announced in 2019 we would be retiring Basic Authentication for legacy protocols and in early 2021 we announced we would begin to retire Basic Authentication for protocols not being used in tenants.
7 days from today we're going to turn off Basic Authentication for IMAP4 protocol in your tenant. Based on our telemetry, no-one is currently using Basic Authentication with that protocol in your tenant and so we expect there to be no impact to you.
We previously communicated this change via Message Center: MC191153 (Sept. ‘19), MC204828 (Feb. ‘20), MC208814 (April ‘20) and MC23771 (Feb. ‘21) and you can always read the latest information about our plans to turn off Basic Authentication here.
We will send another Message Center post when we make the change. You may receive additional notifications if any other protocols could be affected.

Change Category:
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Scope:
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Release Phase:

Created:
2022-03-09

updated:
2022-03-09

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Last updated 2 months ago

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