#WeekITtip

dmstorkdmstork
2025-01-17

Reading for the weekend. I am currently involved in a case in which mail (auto)forwarding is used but that is causing the forwarded mail to be rejected. When , and are implemented properly, this can break legitimate mail forwarding.

dmstorkdmstork
2024-08-23

So, I've started a new blog site. Consider this a soft launch, I still need to quite a lot of customizations. But I wanted to get this out in the world. I'll probably post a lot about and related topics. Bookmark davestork.nl !

Bing Image Creator with prompt: create me an image of me writing blog posts behind a computer. Make it a cartoon style
dmstorkdmstork
2024-07-30

PSA: There seem to be networking issues in the in North & West-Europe region. It's affecting and services. See for status:
azure.microsoft.com/en-us/stat and MO842351 in the M365 Admin portal.

dmstorkdmstork
2024-05-22

And with every big event such as , there is a Book of News or that summarizes the biggest announcements which aren't only for developers. Ideal if you don't have the time to attend any sessions. You can find it here: news.microsoft.com/build-2024-

dmstorkdmstork
2024-05-16

In this week's I share my thoughts about why I am excited about and its Public Preview. Read more on my profile page linkedin.com/in/dmstork/

Created with Bing Image Creator with the prompt: "create an cartoon image where you see a lot of meeting rooms and business people running around, angry, frustrated in and out of those rooms". Alas, no separate rooms, but generally what I wanted
dmstorkdmstork
2024-05-08

Well, I can now finally talk about the near future of as just published their product roadmap for Server! And Exchange Server "vNext" now has a name: Exchange Server Subscription Edition or SE.
Read more details here: techcommunity.microsoft.com/t5

I talk a bit more in-depth about Subscription Edition on my profile page: linkedin.com/in/dmstork/

Cartoon generated by Bing Image Creator with the prompt: "depict a very happy and outrageously celebrating exchange administrator carrying a new Exchange Server surrounded by several subscriptions"
dmstorkdmstork
2024-03-06

Sending a mail you shouldn't have sent or used the Reply-All button by mistake.. It happens to the best of us. Yes, that includes me 🤫. Read my post on on a feature you might have missed! Check linkedin.com/in/dmstork/ and tags

Screenshot of the Exchange Online Message Recall Status Report webpage with relevant information on the recall: sender, recipients, subject, recall submitter, recall state including if it was read.
dmstorkdmstork
2024-01-26

New year, new (with a bit of a delay)!

Did you know Google and Yahoo are going to be stricter with unauthenticated mails from 1 februari?

Google: blog.google/products/gmail/gma
Yahoo: senders.yahooinc.com/best-prac

Especially tend to 3rd-party services you might use. In recent days I've seen a lot of requests to implement DNS changes. Sadly, often the bare minimum.

So, again a little help on the fundamentals of mail authentication: youtube.com/watch?v=gc58wubizx

dmstorkdmstork
2023-12-06

Hey, instead of doing a weekly I'm currently doing an tip every day until Christmass! I'm posting those on . Today's tip is about Outlook COM going away in favor of web add-ins. Check out: linkedin.com/in/dmstork/recent

Created via Bing Image Creator: Cartoon of middle aged glasses wearing white male in blue business casual playing with Christmass ornaments in front of a cabin sized Advent Calender
dmstorkdmstork
2023-11-22

Now that is behind, the real journey begins with learning about all the newly announced features, capabilities, and technology. One way to learn this massive amount of information is to do one or more Cloud Skills Challenge. You also might win a ticket for 2024: win win! Find a suitable topic and register in this list here: aka.ms/IgniteCSC?ocid=ignite23

Graphic representation of a trophy. White with purple/blue tones
dmstorkdmstork
2023-11-15

It's 2023 time! Or should I say ? 🤓 There will be a lot of announcements and as usual has released the which contains the most important announcements. Read up here! news.microsoft.com/ignite-2023

You can still register! There are tons of virtual and/or recorded sessions you can watch even after . Register here: register.ignite.microsoft.com/

dmstorkdmstork
2023-11-08

Mail or SMTP is a protocol that was not developed with a security-by-design mindset. There are a lot of additional protocols needed to make it safe. But is it safe enough? Read my thoughts on LinkedIn:
linkedin.com/posts/dmstork_smt

Image generated by Bing Image creator. Cartoon style image. Grey bearded white man in suit, sweating and panicking by a large stack of envelops on his desk covering his computer. Prompt: create me an image where an seasoned mail administrator is dealing with a lot of electronic mails. Depict this in a cartoon and comical style.
dmstorkdmstork
2023-11-03

Sometimes you have take a break or step back and give your thoughts a bit more time. That is what I'm going to do after this week, so that means no this week.

Or is this the ? 🤔 😉

In any case, good weekend to you all!

dmstorkdmstork
2023-10-18

While remains a core solution in many organizations, the use of Web Servers () is being replaced by . It is important to assess whether EWS is still being used and act if necessary.

The Exchange Product Group has published a series of blogs to help with this migration. Check out the first introductory blog here: techcommunity.microsoft.com/t5

Microsoft Exchange logo (resembles a large X with an E in the middle right of the X) in blue tones on a white background
dmstorkdmstork
2023-10-11

Authenticate your outgoing mail! has posted new guidelines on servers that send mail to their systems. In short: if you do not have , and correctly setup they might quarantine or block your mail!

Check those requirements here: support.google.com/mail/answer
If you need a refresher, check my Microsoft Exchange Community video here: youtube.com/watch?v=gc58wubizx

Screenshot of YouTube video linked in post. Depicting a Teams call, with speaker image topright corned. Below that attendee avatars and at the left a slide with SMTP headers, black letter on a white background. Below there is a blue bar with the Microsoft and Exchange logo in predominantly blue colors
dmstorkdmstork
2023-10-04

This is something I've been eager to implement! March 2024 Inbound will finally start in Public Preview for Online. In short, with DANE sending and receiving mail environments now can verify the server is indeed correct and mitigate Adversary-in-the-Middle attacks. This is something Opportunistic TLS won't protect against.

Definitely prepare! More info: techcommunity.microsoft.com/t5

Microsoft Exchange Logo: Big thick X like character in different blue tones with in left center a rounded darker blue square with in white the letter E
dmstorkdmstork
2023-09-27

In March 2023 announced that Online is going to throttle and block mail from unsupported Server versions in specific situations. There was a delay, but this week they published an updated timeline. Take note if you still have unsupported Exchange servers in your network. Get rid of them!

Info: techcommunity.microsoft.com/t5

Chart of milestone dates when certain versions of Exchange in specific situations are either included in reports, throttled or eventually blocked.
dmstorkdmstork
2023-09-13

Yesterday was Patch Tuesday but not for . The published CVEs were already fixed in last month's Update!

Use this time to dive into 2 new features for on-prem Exchange: Support & Extended Protection to mitigate AitM attacks. Latter will be enabled per default in 2023 H2 (or CU14) for Exchange 2019 & might break things!

Sept. '23 CVE: techcommunity.microsoft.com/t5

HSTS: techcommunity.microsoft.com/t5

Ext. Protection per default: techcommunity.microsoft.com/t5

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