Appendix A. Differences from RFC 1725
This memo is a revision to RFC 1725, a Draft Standard. It makes the following changes from that document:
-
Clarified that commands are case-insensitive.
-
Corrected statement about the QUIT command in the AUTHORIZATION state.
- The previous specification incorrectly stated that QUIT could only be issued in the TRANSACTION state
- Clarified that QUIT is valid in any state
-
Enhanced description of the exclusive-access lock.
- Added details about when the lock must be acquired
- Clarified behavior when lock cannot be obtained
-
Clarified the behavior of the STAT command.
- Specified that deleted messages are not counted
- Provided clearer explanation of the response format
-
Enhanced security considerations section.
- Added warnings about cleartext password transmission
- Provided more guidance on APOP implementation
-
Corrected various editorial errors and improved clarity throughout the document.
Summary of Changes:
| Section | Change Type | Description |
|---|---|---|
| Commands | Clarification | Case-insensitivity explicitly stated |
| QUIT | Correction | Valid in any state, not just TRANSACTION |
| Locking | Enhancement | More detailed exclusive-access behavior |
| STAT | Clarification | Deleted message handling |
| Security | Enhancement | Additional security guidance |
Note: This revision maintains backward compatibility with RFC 1725 implementations.