IMAP/URLAUTH support in Archiveopteryx

The URLAUTH extension permits accessing message parts in a fine-grained manner. An IMAP client can make a cookie which permits anyone to access e.g. a single attachment of a single message, and another IMAP client can retrieve that attachment, even though it normally does not have permission to do so.

This is most useful for forwarding messages without having to download and then upload large attachments.

The URLAUTH extension is part of the LEMONADE group of extensions.

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Last modified: 2010-11-19