Exchange Team Blog

You Had Me at EHLO..

1,863 Blog Articles

Options

9,751

The_Exchange_Team on 04-19-2021 01:52 PM

Modern Authentication, based on OAuth2, has a lot of advantages and benefits as we have covered before, and we’ve yet to...

281K

The_Exchange_Team on 04-13-2021 10:01 AM

We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.

13.7K

The_Exchange_Team on 04-02-2021 06:20 AM

We know that some of our customers leverage Exchange transport rules to prepend subject line or insert the message body ...

6,195

The_Exchange_Team on 03-25-2021 07:20 AM

Email distribution groups (DGs) are great for easily sharing information or engaging in discussions with a large group o...

47.1K

The_Exchange_Team on 03-16-2021 09:00 AM

Today we are announcing the availability of quarterly servicing cumulative updates (CUs) for Exchange Server 2016 and Ex...

147K

The_Exchange_Team on 03-08-2021 06:41 PM

To help customers more quickly protect their environments in light of the March 2021 Exchange Server Security Updates, M...

718K

The_Exchange_Team on 03-02-2021 01:08 PM

We are releasing a set of out of band security updates for Exchange Server.

14.1K

The_Exchange_Team on 02-25-2021 10:14 AM

We would like to have Exchange Online customers (who would like to participate in a preview program) help us improve the...

19.1K

The_Exchange_Team on 02-22-2021 07:03 AM

To ensure optimal mail flow performance for all customers and protect the health of Exchange services, Microsoft is upda...

10.6K

The_Exchange_Team on 02-11-2021 07:26 AM

At Microsoft Ignite 2020, we announced the preview of support for Linux and Windows PowerShell Core in Exchange Online m...

56.4K

The_Exchange_Team on 02-04-2021 09:00 AM

We previously announced we would begin to disable Basic Auth for five Exchange Online protocols in the second half of 20...

8,664

The_Exchange_Team on 02-03-2021 08:10 AM

A redirect URI, or Reply-URL, is where an authorization server sends a user once their app has been successfully authori...

9,776

The_Exchange_Team on 02-02-2021 08:56 AM

Administrators who want to limit the app access to a specific set of mailboxes can create an application access policy. ...

13.5K

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...

7,518

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...

20.1K

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...

11K

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...

7,685

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...

71.2K

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.

14.4K

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

11.3K

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...

14.9K

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...

24.1K

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...

12.5K

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)....

22.3K

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...

10.7K

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...

12.1K

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...

16.8K

The_Exchange_Team on 10-05-2020 11:34 AM

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

109K

The_Exchange_Team on 09-22-2020 08:01 AM

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

9,060

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 ...

Latest Comments

in Released: April 2021 Exchange Server Security Updates on 04-22-2021

@Shaike Not applicable as we are on Exchange 2013/2016/2019 and it was working...

0 Likes

in Understanding email scenarios if TLS versions cannot be agreed on with Exchange Online on 04-22-2021

For any Exchange server (external to the organization) to send emails to Exchange Online, i wonder if emails will be expected to be delayed when the external server only sends using TLS1.0 or TLS1.1. Since Exchange Online has been upgraded to TLS1.2 we can expect the email to be queued. How long wil...

0 Likes

in Released: April 2021 Exchange Server Security Updates on 04-22-2021

But tls 1.2 breaks mail flow with exchange 2010.

0 Likes

in Native external sender callouts on email in Outlook on 04-22-2021

I agree with @Shon Miles that the exception by domain would defeat most of the reason for showing the alert. Unless there is something else that would flag impersonated From addresses, or if it were exception by verified domain, it would allow our domain to be impersonated if we allow any legitimate...

0 Likes

in Released: April 2021 Exchange Server Security Updates on 04-22-2021

Free busy works with tls 1.2 as default

0 Likes