Paul Robichaux

1 month ago | practical365.com | Tony Redmond |James Yip |Paul Robichaux

Table of ContentsToggle The . In other words, Exchange Online will accept and deliver messages of up to the limit if the sending and receiving mailboxes are capable of handling such large messages. If the send and receive limits for the mailboxes are configured with smaller values, Exchange issues non-delivery notifications like the one shown in Figure 1. In this case, the MaxReceiveSize configured for the target mailbox is 36 MB, and it was unable to accept an incoming message of 119 MB.

Feb 24, 2025 | practical365.com | Tony Redmond |Paul Robichaux

Table of ContentsToggle Microsoft’s announcement that they will introduce a tenant-wide external recipient rate limit (TERRL) is a follow-up for the plan to implement an external recipient rate (ERR) limit for individual mailboxes in October 2025. Both TERRL and ERR are there for a simple reason: to stop people abusing Exchange Online by sending excessive amounts of external email. Stopping abuse by users is the same reason that forced Teams to block external chat for trial tenants.

Jan 7, 2025 | practical365.com | Tony Redmond |Paul Robichaux |Steve Goodman

Table of ContentsToggle A few weeks ago, I wrote about how to use the Entra ID audit sign-in logs to understand how users and applications interact with Entra ID. It’s the kind of knowledge that helps Microsoft 365 administrators understand how their tenants tick. Today, I’m going to take a slightly different approach by combining sign-in data with the last sign-in date for user accounts to generate a report about when users last signed in successfully and the apps they use.

Dec 3, 2024 | practical365.com | Tony Redmond |Sean McAvinue |Paul Robichaux

Table of ContentsToggle Some time ago, I wrote about a new sensitivity label setting to block access to content services. The feature uses an advanced label setting that must be configured using PowerShell. The makeover of the Purview portal doesn’t support allowing administrators to enable the setting through the current interface.

Oct 28, 2024 | practical365.com | Tony Redmond |Paul Robichaux |Michel de Rooij

Table of ContentsToggle Recently, I was challenged to create a version of the script to monitor the assignment of sensitivity labels to Microsoft 365 groups (teams, groups, or sites, otherwise called “containers”) to use the Microsoft Graph instead of the Exchange Online management module. Groups that are assigned labels inherit a range of settings that control how the groups work, which is why this form of sensitivity labels are called container management labels.