Email delivery
Diagnose and fix email delivery issues.
- Additional sender list
- Delivery failure notifications
- Delivery Kit for emails
- Delivery reports: Overview
- How to add DNS records
- How to prevent duplicate messages
- How to resend messages
- Messages not arriving
- Restricted sender list
- Spam and viruses: How Gaggle Mail protects you
- Sub-addressing: How it works
- Why sent messages come from @‌gaggle.email (and how to change it)