Forum Discussion
Outlook emails to Gmail recipients: Get 421-4.7.28 temporary rate limit failure every other mailing
Hello. I am the volunteer IT director for my church. We send out periodic emails to our congregation with announcements from Microsoft 365 Business (Outlook), in which we have set up an email address...
I've been seeing a lot of people struggling with spam after signing up for quick trials. A solid strategy I use is utilizing specialized ad-free burner services like https://www.temptom.com for initial testing. It keeps your primary Microsoft 365 tenant clean and reduces the attack surface for phishing. Has anyone else implemented this as a policy for their dev teams?