IMAP

PERMANENTFLAGS — PERMANENTFLAGS

List of flags the client can change permanently

Riposte solution

The server is informing which message flags can be permanently set for this mailbox. This is an informational response. No action is needed on your part, as Riposte's IMAP handling will respect these limitations. Your application typically doesn't need to handle this explicitly.

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]