CC support working.

Working on multiple recipient (CC) support.

Removed test code.

Early checking of recipient validity.

Stupid domain health checkers keep assuming I'm
a relay.  This should help.

Version bump.

Support for multi-line responses.

Version bump.

Relaxed status code expectations.

Prevent retries on delivery rejections.

Added command-line option to display version.

Fixed mail reception bug.

Fixed #<unspecified> (process-smtp) value on disconnect.

Fixed another "received:" mistake.

Omg.

Fiddling with "received:" formatting.

Updated README.

Formatting improvement.

Outgoing delivery working!

Although there's infrastruture for retrying messages
with delivery failures, this only occurs after another
connection has been made. I.e. there's no support for
retrying after a certain period, which is needed.

Fixed bug.

Improved logging.

Added received header to mail on receipt.

First successful remote delivery.

Draft remote-delivery implementation.

Tiny cleanup.

Implemented authentication for remote delivery.

Cleanup.

Deferred mail delivery until after incomming SMTP transaction.

AUTH PLAIN implementation finished.

Implementing AUTH PLAIN authentication.

Removed unused import.

Added license file.

Added README.

Drops privs after starting listener.

Added maildir delivery support.

Almost ready for receive-only mode.

Preserve newlines in messages.

Added exception handling.

Fixed line ending problem.

Successfully accepted connection from other MTA.

Initial commit.