&reftitle.seealso; This document can't go into detail on all the topics touched by the provided functions. Further information is provided by the documentation of the c-client library source (docs/internal.txt). and the following RFC documents: RFC2821: Simple Mail Transfer Protocol (SMTP). RFC2822: Standard for ARPA internet text messages. RFC2060: Internet Message Access Protocol (IMAP) Version 4rev1. RFC1939: Post Office Protocol Version 3 (POP3). RFC977: Network News Transfer Protocol (NNTP). RFC2076: Common Internet Message Headers. RFC2045 , RFC2046 , RFC2047 , RFC2048 & RFC2049: Multipurpose Internet Mail Extensions (MIME). A detailed overview is also available in the books Programming Internet Email by David Wood and Managing IMAP by Dianna Mullet & Kevin Mullet. &reference.imap.entities.functions;