Work Offline mode (main menu » File » Work Offline) is a special mode of operation which does the following when enabled/checked:
Work Offline mode in the main menu.
- Automatic retrieval of new emails or syncing with servers is disabled until the "Work Offline" is disabled (the option "Automatically check for new messages" will stop working in other words). The option is, of course, not disabled permanently, just while the "Work Offline" mode is active.
- IMAP folders can be browsed (for already cached messages) but the messages which are still in the cloud (on the server), will display the "Message unavailable while offline" message so this can be used to temporarily avoid syncing IMAP folders.
- NNTP groups can also be browsed the same way like IMAP folders with the same message if "Work Offline" is enabled.
- Any IMAP/NNTP operations which require to be synced with the server won't be available (for example marking a message as read/unread, flagging, moving to another folder, deleting...).
- Manually clicking Send/Receive button will also be disabled, until the "Work Offline" mode is disabled. That of course means that POP accounts also won't download new messages.
- Sending a message will only place it in the "Outbox" folder but won't attempt to send, while in "Work Offline" mode. This can be used if you want to place the message there, but avoid sending it until it is ready. However, receiving messages also won't work in this mode, so please have that in mind. If a message needs to be edited for an extended period of time, it should be placed in "Drafts" folder instead (File » Save in the Message Editor or CTRL + S).
- Any local operations (in the "Local Folders") remain available even while in the "Work Offline" mode, because they don't require syncing (operations like copying/moving messages within the "Local Folders", or flagging them, or importing/exporting etc.).
If you just want to browse IMAP/NNTP folders but you don't have an Internet connection and want to avoid to the error popups that the connection has failed as basically clicking any IMAP folder starts syncing the folder, then enabling the "Work Offline" mode can do that for you.
Of course for full syncing, the "Work Offline" must be disabled and the Internet connection must be available.
Work Offline mode is basically for any situation where you want the program to stop trying to connect online to send/receive data, but it limits the use of certain operations, which require the Internet connection.
Bug fixes
[2023-07-18] POP LIST command was issued unnecessarily before retrieving a message
This is only visible in the Log. When RETR command (retrieve a message) is issued, an unnecessary LIST command was issued prior to RETR command (these commands are used in the POP protocol). This caused an additional data traffic, albeit a minimal one. This is fixed now.
[2023-07-18] Fixed incorrect character decoding in rare cases (some rare messages were not shown correctly).
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