Emails

Teams voicemail emails get a new sender

Maxime Hiez
Teams
28 Oct, 2026

Introduction In Microsoft Teams, a voicemail lands in the Exchange Online mailbox as an email with an audio attachment, and many organizations have built rules around these emails. With

New security approach for non-compliant emails

Maxime Hiez
Defender
07 Apr, 2025

Introduction Microsoft has announced a major update to Defender for Office 365 that strengthens email security by improving the handling of non-RFC compliant emails. This initiative is

Email sending limits for Exchange Online tenants

Maxime Hiez
Exchange
24 Feb, 2025

Introduction Microsoft recently announced the introduction of new outgoing email sending limits for Exchange Online tenants. These new limits, called *Tenant External Recipient Rate Limit