Riposte solution
APPENDUID is returned after a successful APPEND command to give the new message’s UID. This is informational and confirms the message was appended. Riposte will capture this information to update its index. No action needed from you—the message was saved successfully.
Quick facts
- Provider
- IMAP
- Endpoint / surface
- IMAP Protocol
Why it happens
[Protocol-level condition per RFC/extension]
How to fix it
[Adjust client behavior per RFC semantics; often retry or change command/parameters]