Exchange Team Blog

You Had Me at EHLO..

1,851 Blog Articles

Options

412

The_Exchange_Team on 01-22-2021 03:03 PM

Microsoft periodically refreshes certificates in Office 365 as part of our effort to maintain a highly available and sec...

2,603

The_Exchange_Team on 01-21-2021 11:37 AM

Continuing on our path to release the new EAC, we wanted to tell you that the Groups feature is now available and what t...

3,657

The_Exchange_Team on 01-19-2021 08:50 AM

It is important for administrators to know of all mailboxes that have forwarding enabled and where the mail is been forw...

3,675

The_Exchange_Team on 01-15-2021 09:23 AM

With the deprecation and disablement of TLS 1.0/1.1. we thought to share some information on what behaviors you might se...

3,593

The_Exchange_Team on 01-11-2021 01:32 PM

In Exchange Online we automatically perform certain public folder mailbox management so you may focus your time managing...

21.1K

The_Exchange_Team on 12-15-2020 08:37 AM

Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019.

10.7K

The_Exchange_Team on 11-19-2020 10:33 AM

We wanted to share some best practices to prepare the on-premises public folders for migration to Exchange Online

9,490

The_Exchange_Team on 11-17-2020 03:29 PM

Today we are announcing the deprecation of the Outlook REST API beta and Outlook REST API v2.0 and that they will be dec...

12K

The_Exchange_Team on 10-29-2020 09:23 AM

In this installment of the migration troubleshooting series, we will talk about migrations that are 'Completed with warn...

21.6K

The_Exchange_Team on 10-27-2020 12:59 PM

As was announced at Microsoft Ignite 2020, support for plus addressing is now available in Exchange Online. Thanks to ou...

11.4K

The_Exchange_Team on 10-22-2020 11:34 PM

Microsoft is updating Azure services to use TLS certificates from a different set of Root Certificate Authorities (CAs)....

15.7K

The_Exchange_Team on 10-19-2020 07:37 AM

In this part of migration troubleshooting series, we will talk about ‘slow’ migrations (and how to define when a migrati...

9,078

The_Exchange_Team on 10-16-2020 11:16 AM

Virtual desktop infrastructure (VDI) is defined as the hosting of desktop environments on a central server. It is a form...

11.2K

The_Exchange_Team on 10-07-2020 06:32 AM

We're thrilled to announce that our Microsoft Remote Connectivity Analyzer - Office 365 tests now have modern authentica...

12.3K

The_Exchange_Team on 10-05-2020 11:34 AM

Continuing our hybrid migration blog post series, we arrived at troubleshooting failed migrations.

87.5K

The_Exchange_Team on 09-22-2020 08:01 AM

Lots of Exchange related news announced today at Microsoft Ignite 2020.

8,239

The_Exchange_Team on 09-22-2020 08:00 AM

When Microsoft Ignite 2020 become a digital event we took it as an opportunity to think about the sessions and subjects ...

8,629

The_Exchange_Team on 09-22-2020 08:00 AM

Email and time management seems pretty simple, doesn’t it? How do you know what’s really happening as messages pass from...

16.8K

The_Exchange_Team on 09-22-2020 08:00 AM

Today we are announcing several new features and capabilities to help Exchange admins become more efficient and achieve ...

12.4K

The_Exchange_Team on 09-22-2020 08:00 AM

At Microsoft Ignite 2020 the Exchange Online Transport team is announcing a variety of updates across the areas of Secur...

17.2K

The_Exchange_Team on 09-22-2020 08:00 AM

Today we are happy to announce an update to the Exchange Hybrid Configuration Wizard (HCW) which enables either a Full o...

9,263

The_Exchange_Team on 09-16-2020 12:32 PM

Let’s talk about migration move reports. We will need this knowledge when we get to later parts of hybrid migration blog...

37.2K

The_Exchange_Team on 09-15-2020 07:00 AM

Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019.

12.3K

The_Exchange_Team on 09-14-2020 07:00 AM

In about a week from today Microsoft Ignite 2020 gets underway. It’s quite a bit different this year but the one thing y...

15.6K

The_Exchange_Team on 08-31-2020 08:35 AM

Let's talk about what makes Exchange hybrid migrations happen!

29.3K

The_Exchange_Team on 08-10-2020 07:59 AM

As hopefully many of you already know Exchange Server 2016 enters the Extended Support phase of its product lifecycle on...

12K

The_Exchange_Team on 08-06-2020 01:26 PM

Controlling the number of recipients per message that your users can send to is one of several measures email admins can...

15.8K

The_Exchange_Team on 07-31-2020 08:35 AM

In this blog post we will cover more than you ever wanted to know on Modern Hybrid Agent troubleshooting.

9,140

The_Exchange_Team on 07-29-2020 03:32 PM

Outlook for Android supports Android and Tizen wearable technology. When the Outlook app is installed on the wearable, t...

59.8K

The_Exchange_Team on 07-28-2020 03:16 PM

Today we are pleased to announce some new changes to Modern Authentication controls in the Microsoft 365 Admin Center, e...

Latest Comments

in Announcing OAuth 2.0 support for IMAP and SMTP AUTH protocols in Exchange Online on 01-22-2021

It's planned to come in before we start disabling Basic. If that changes we'll re-evaluate.

0 Likes

in Announcing OAuth 2.0 support for IMAP and SMTP AUTH protocols in Exchange Online on 01-22-2021

Hi @Greg Taylor - EXCHANGE , Ok that could be very good news. So can you confirm Microsoft will not start disabling IMAP with basic authentication until some time after this roadmap item 70577 has been completed?

0 Likes

in Announcing OAuth 2.0 support for IMAP and SMTP AUTH protocols in Exchange Online on 01-22-2021

We very recently added client credential flow for IMAP to the public roadmap. We're working on it. Roadmap Item 70577

1 Likes

in Announcing OAuth 2.0 support for IMAP and SMTP AUTH protocols in Exchange Online on 01-22-2021

Hi @Decomplexity , Thanks for your fast reply. Unfortunately that's not good news... Do you have any suggestions? Can I use authorization code flow, and let the app ask the end user who owns the mailbox to give consent for access once (interactively) and keep a refresh token somewhere which can be r...

0 Likes

in Announcing OAuth 2.0 support for IMAP and SMTP AUTH protocols in Exchange Online on 01-22-2021

Hi BartIMAP with OAuth2 AUTHN/Z does not unfortunately support client credentials grant flow.And a caveat for the future: the OAuth2.1 draft spec has dropped ROPC (the one you have managed to get working).

1 Likes