Simple Mail Access Protocol

The Simple Mail Access Protocol (SMAP){{cite web | url=https://circle.ubc.ca/bitstream/handle/2429/16406/ubc_2005-0336.pdf?sequence=1 | title=Performance evaluations for multimedia applications over PR-SCTP | publisher=University of British Columbia | year=2005 | accessdate=December 1, 2012 | author=Wang, Xiao Lei | pages=xii}} is an application layer Internet protocol for accessing email stored on a server. It was introduced as part of the Courier suite, with the goal of creating a simpler and more capable alternative to IMAP.

{{As of|2005}}, SMAP is still considered experimental, and is only supported by the Courier server and Cone client.

Features

  • MIME attachments can be transmitted in their raw, decoded form. This allows large base64-encoded attachments to be transmitted without the 4:3 inflation that base64 encoding usually incurs.{{cite web | url=http://www.courier-mta.org/imap/smap.html | title=SMAP | accessdate=December 1, 2012}}
  • Support for sending outgoing e-mails through the SMAP connection, instead of using a separate SMTP connection to the server. An outgoing message only needs to be transmitted once to both send it and save a copy to a server-side folder.
  • Unicode folder names, with native support for hierarchy.
  • SMAP clients and servers can fall back to IMAP if the peer does not support SMAP.

See also

  • POP4, another attempt at creating a "simpler IMAP", by extending POP3

References

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