Long time, there was no way to change the send mail address from primary to alias mail addresses. So sending address was forced by administration. Even if users have multiple smtp-addresses there was no official way to accomplish this. January 2022 changed this statement, now it is possible to use the secondary mail address. More …
Some days ago Microsoft a new roadmap for supported Exchange szenarios in hybrid environment considering mailflow traffic. There are some news about the so called Throttling dates (when Exchange Online begins to reject some messages from older Exchange OnPrem versions). See the original post and the roadmap here.This behavior is communicated already in March 2023 …
Some time ago I configured an external E-Mail banner which works like a charm. After setting up there was one issue with incoming, signed mails, because these were “attached” as file to an mail with the new email banner. If you like to setup the email banner see this blogpost. To create a workaround (not …
Read more “Incoming mails as attached file if the mail is signed”
Lot’s of cyber attacks are based in malicious e-mails and use the good faith of users. That’s why you should train and sensitize your users. A simple and effective way is to visualize the danger with a small banner. In this article you get the information to create a rule with an “caution” banner. In …
Read more “Append E-Mail banner for external mails in Exchange Online E-Mail Tagging”
Some days ago Microsoft announced the final ending of basic authentication in Exchange Online. Today, we are announcing that, effective October 1, 2022, we will begin to permanently disable Basic Auth in all tenants, regardless of usage, with the exception of SMTP Auth. https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-september-2021-update/ba-p/2772210 So why disabling Basic Auth? It works like a charm! Basic …
Read more “Exchange Online and disabling Basic Authentication by Microsoft”
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