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Exchange Team Blog

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2,433

Announcing OAuth Support for POP in Exchange Online

The_Exchange_Team on 05-28-2020 08:00 AM
Just a couple of weeks or so after our announcement of OAuth support for IMAP and SMTP Auth in Exchange Online, today we...
3,406

Demystifying and troubleshooting hybrid mail flow: when is a message internal?

The_Exchange_Team on 05-27-2020 08:19 AM
If you wanted to pull back the curtain on hybrid mail flow, connector settings and troubleshooting, this post is for you...
4,748

Understanding and troubleshooting Out of Office (OOF) replies

The_Exchange_Team on 05-22-2020 08:59 AM
In this blog post, we will discuss the bits and pieces of Out of Office and some of the main reasons why an Out of Offic...
4,473

On provisioning mailboxes in Exchange Online when in Hybrid

The_Exchange_Team on 05-20-2020 12:22 PM
In this blog post we will cover a very common scenario faced by customers who have moved all of their mailboxes from on-...
2,853

TechNet Gallery retirement and Exchange Team contributions

Nino Bilic on 05-19-2020 12:32 PM
You might (or might not) be aware that the TechNet Gallery site is going to be retired soon (currently planned for June ...
5,662

How to configure the new Room Finder in Outlook

The_Exchange_Team on 05-15-2020 03:05 PM
We have released the new room finder experience to Exchange Online Outlook on the web (and you should start seeing it ro...
40.5K

Reply All Storm Protection in Exchange Online

The_Exchange_Team on 05-07-2020 11:00 AM
When a reply all mail storm happens in your organization, it can disrupt business continuity and in some cases even thro...
17.8K

Announcing OAuth 2.0 support for IMAP and SMTP AUTH protocols in Exchange Online

The_Exchange_Team on 04-30-2020 08:00 AM
Ever since we announced our intention to disable Basic Authentication in Exchange Online we said that we would add Moder...
13.9K

Securing Authenticated SMTP in Exchange Online

The_Exchange_Team on 04-09-2020 09:00 AM
The SMTP AUTH protocol is used to submit millions of emails every day. Basic Authentication for SMTP Auth will be suppor...
19.9K

Top 5 things that Office 365 admins should know about FindTime

The_Exchange_Team on 04-08-2020 09:00 AM
Now that we have re-written the backend for FindTime to get into the Office 365 compliance boundary, here are 5 useful t...
18.1K

Support of DANE and DNSSEC in Office 365 Exchange Online

The_Exchange_Team on 04-06-2020 07:00 AM
Microsoft is committed to providing world-class email security solutions and the support for the latest Internet standar...
49.3K

Basic Authentication and Exchange Online – April 2020 Update

The_Exchange_Team on 04-03-2020 09:00 AM
Last year we announced changes to make Exchange Online more secure, and earlier this year we provided some updates on pr...
12.6K

Best practices when decommissioning Exchange 2010

The_Exchange_Team on 03-23-2020 11:33 AM
We’ve created this post to cover the best practices for decommissioning an Exchange 2010 environment after the migration...
13.8K

March 2020 significant update to Hybrid Configuration Wizard

The_Exchange_Team on 03-19-2020 09:21 AM
We wanted to let you know that we are releasing what we consider a significant update to Exchange Hybrid Configuration W...
26.5K

Released: March 2020 Quarterly Exchange Updates

The_Exchange_Team on 03-17-2020 07:00 AM
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. Th...
8,430

FindTime, your favorite scheduling add-in just got better!

The_Exchange_Team on 03-12-2020 11:46 AM
We heard you and so we re-wrote the entire back-end infrastructure for FindTime, we built a new service within the Offic...
8,923

Disabling New-MoveRequest for Local Mailbox Moves

The_Exchange_Team on 03-11-2020 10:26 AM
We have decided to disable the usage of New-MoveRequest for manual moves within the M365 datacenters. Please expect to s...
9,432

Faster and more reliable Exchange Online Management using PowerShell V2 Cmdlets

The_Exchange_Team on 03-04-2020 07:03 AM
We have seen more than 50,000 total downloads of the V2 module available via PowerShellGallery and have seen around 11 m...
6,990

Cost savings and business benefits of deploying Outlook mobile in the enterprise

The_Exchange_Team on 02-26-2020 07:00 AM
Forrester found organizations experienced productivity benefits and cost savings from switching to Outlook for iOS and A...
119K

Basic Auth and Exchange Online – February 2020 Update

The_Exchange_Team on 02-25-2020 07:00 AM
We’re pleased to provide an update today and to try and answer some of the questions we’ve received since our first post...
17K

Customizable Recipient Limits in Office 365

The_Exchange_Team on 02-19-2020 01:50 PM
Office 365 tenant admins can now customize the Recipient Limits setting from 1 to 1000. Admins can make changes either v...
22.3K

Exchange Server and SMBv1

The_Exchange_Team on 02-12-2020 07:00 AM
To make sure that your Exchange organization is better protected against the latest threats (for example Emotet, TrickBo...
5,432

Calendaring is Really Hard to Code and That’s Why You Were An Hour Late to that Meeting

The_Exchange_Team on 02-11-2020 07:00 AM
Writing code for calendaring features is hard. You finally figure out a good time for your team to meet and then one of ...
10.2K

How to address Federation Trust issues in Hybrid Configuration Wizard (HCW)

The_Exchange_Team on 01-31-2020 09:18 AM
Federation trust is a mandatory step in the on-premises Exchange organizations when configuring Full hybrid deployments,...
9,938

Exchange and SameSite Updates

The_Exchange_Team on 01-24-2020 10:12 AM
The Stable release of the Google Chrome web browser scheduled for release beginning February 17, 2020 features a change ...
9,683

Transport database: understand, size and troubleshoot

The_Exchange_Team on 01-16-2020 11:03 AM
Let's talk about your transport database: what impacts it's size, as well as how to troubleshoot it.
9,951

Improving Migrations Using Data Consistency Scoring

The_Exchange_Team on 01-13-2020 11:51 AM
The O365 migration team has been working on improvements to the way we detect inconsistencies or data loss during migrat...
38.3K

Released: December 2019 Quarterly Exchange Updates

The_Exchange_Team on 12-17-2019 08:00 AM
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. Th...
16.9K

FAQs from Exchange and Outlook booths at 2019 Microsoft Ignite

The_Exchange_Team on 12-06-2019 12:32 PM
During Microsoft Ignite, we heard a lot of different questions in Exchange and Outlook booths. Here are top questions an...
12.2K

Significant update to "Exchange AD Deployment Site" post

Nino Bilic on 12-06-2019 11:00 AM
One of more popular on-premises blog posts on our blog is a post called Exchange Active Directory Deployment Site. Check...
Latest Comments
GLComputing
in Permanently Clear Previous Mailbox Info on 05-29-2020
@chad512 If the mb is on-premises, it's still there.Go here - https://admin.microsoft.com/AdminPortal/Home#/usersSelect the user > then the mail tabShould say something like:This user's on-premises mailbox hasn't been migrated to ‎Exchange Online‎. The ‎Exchange Online‎ mailbox will be available aft...
0 Likes
GLComputing
in Permanently Clear Previous Mailbox Info on 05-29-2020
I had this issue ... Tech support had no idea how to fix it.I found this article and they even told me not to do it. As they couldn't give a reason I tried it with a "less important" account. It was simple, easy and worked. The steps from support were:As the users which are having mailboxes both in ...
0 Likes
Decomplexity
in Announcing OAuth 2.0 support for IMAP and SMTP AUTH protocols in Exchange Online on 05-29-2020
With this (April 30th ’20) release of OAuth2 support for IMAP and SMTP, Sivaprakash-MSFT commented on Stackoverflow: “IMAP, SMTP scopes are targeted for Exchange resource and not Graph” and “... we will only allow Exchange resource URLs to work and don’t have plans to enable Graph resource URLs”. Bu...
0 Likes
jeremynz
in Changes coming to the SMTP Authenticated Submission client protocol on 05-28-2020
@The_Exchange_TeamI'm starting to hit the sender thread limit exceeded problem sometimes. Our platform sends out emails to notify when services are down. We are currently using SMTP Authenticated Submission. If we switch to sending emails using Modern Auth, will the 3-simultaneous thread limit still...
0 Likes
sharonle214
in Announcing OAuth Support for POP in Exchange Online on 05-28-2020
Will any of the Microsoft email clients support OAUTH for POP/IMAP/SMTP?
1 Likes