Server-side Signatures
Deployment and configuration
- Using Server-side injection to specify the location of an inserted signature
- How Microsoft 365 server-side signatures work
- How to trial Signature 365 when already using another signature service
- How to use Signature 365 together with third-party security solutions
- Exclude Autoreplies from Signature insertion
Troubleshooting
- Non-delivery report errors and solutions
- A signature is not applied to emails with large attachments
- Non-delivery report 550 5.4.1 Recipient address rejected: Access denied
- Non-delivery report 550 5.1.8 Access denied, bad outbound sender
- Removing the Signature 365 Mailflow rule and Exchange Connectors