Microsoft Outlook Incorrectly Routes Example.com to Real Company's Mail Servers
TL;DR: Since at least February 2020, Microsoft's Autodiscover service has incorrectly routed the IANA-reserved example.com to Sumitomo Electric Industries' mail servers at sei.co.jp, potentially…
Read the full articleYou might also wanna read
Email Service - Subaddressing support in Email Routing
Subaddressing, as defined in RFC 5233 , also known as plus addressing, is now supported in Email Routing. This enables using the "+" separat
Outlook MCP Servers — Microsoft's Enterprise Email Meets the Agent Era
Outlook MCP servers let AI agents read, search, send, and manage Microsoft 365 email.
Email Service - Mail authentication requirements for Email Routing
The Email Routing platform supports SPF records and DKIM (DomainKeys Identified Mail) signatures and honors these protocols when the sending
Microsoft Reports Severe Zero-Day Flaw in On-Prem Exchange Servers
The zero-day vulnerability affects on-premises installations for all versions of Exchange Server 2016, 2019 and Subscription Edition
A three-step pipeline to validate email addresses effectively in 2026
Relying solely on a regex is widely considered the wrong approach to email validation, according to a developer guide published on DEV Commu
Three-Layer Email Verification: Why Regex Alone Fails and What Actually Works
Invalid email addresses in signup forms can damage sender reputation by driving up hard bounce rates, which mailbox providers like Gmail and
Comments
Sign in to join the conversation.
No comments yet. Be the first.