[Courier-imap] Courier 1.0.3, courier-imap 5.0.3 released

[Sam V. <mr...@co...>]

Download: http://www.courier-mta.org/download.html

This addresses several issues with the POP-3 server.

• Clients that leave messages on the POP-3 server were downloading duplicate  
messages, sometimes. Some, not all, clients that were already updated may  
download a set of duplicate messages one last time, after installing this  
fix.

• Instead of returning an error message to a non-Unicode POP-3 client  
requesting a Unicode message, the POP-3 client now gets an error message  
that's formatted as an E-mail, with the original message attached as a  
"message/global" MIME attachment (the assigned MIME content type for Unicode  
E-mail).

• Some messages were incorrectly classified as Unicode messages and blocked  
from being downloaded by non-Unicode POP-3 clients. The ChangeLog provides a  
short script to manually reset the existing messages, if needed.