Troubleshooting
Known errors
- Gmail: Web login required error - answer=78754 (Failure)
- Gmail: Can't load folders answer=185833
- Gmail: [NONEXISTENT] Unknown Mailbox: [Gmail]
- Gmail: Unable to append message to folder
- Outlook: MAPI_E_NOT_ENOUGH_DISK
- SingleFiles: Filename length error
- Generating an application password when 2-Step verification is enabled in Gmail