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Internet Mail Consortium

Welcome to the Internet Mail Consortium's Web site. Here you'll find information about all the Internet mail standards and technologies.


IMC is the host of numerous mailing lists that relate to Internet mail standards. Some of these mailing lists are for work being done in the IETF, while others are for discussion of particular mail topics. All of the mailing lists have complete list archives. The mailing lists hosted by the IMC include:

atom-protocolPublishing Atom entries
atom-syntaxAtom WG: next-generation syndication
idn-reg-policyRegistration policies for IDNs
ietf-822Extensions to RFC 822
ietf-apps-tlsApplications running over TLS
ietf-calendarCalendaring and Scheduling
ietf-disconn-smtpDisconnected use of SMTP
ietf-ediintEDI over the Internet
ietf-faxFax over Internet
ietf-imapextIMAP v4 extensions
ietf-imap-voiceVoice extensions for IMAP
ietf-ldupLDAP replication
ietf-ltansLong-term archive and notary services
ietf-message-xmlRepresenting messages in XML
ietf-medfreeNegotiating elements of content
ietf-mime-directNew MIME directory content types
ietf-msgtrkProtocol for tracking SMTP messages
ietf-mta-filtersFiltering messages in MTAs
ietf-mxcompIdentifying authorized senders; MARID BOF
ietf-openpgpNew PGP format
ietf-openproxyOpen pluggable edge services
ietf-pkixInternet public key infrastructure (X.509 v3 certs)
ietf-pop3extExtensions to POP
ietf-rtpsecSecuring the Real-time Transport Protocol
ietf-sacredSecurely available credentials
ietf-saslSimple Authentication and Security Layer
ietf-schema-regRegistering protocol schema
ietf-smimeS/MIME standardization
ietf-smime-examplesS/MIME examples
ietf-smtpExtensions to SMTP
ietf-submitSMTP submission protocol
ietf-whoisExtensions to the whois protocol
ietf-xml-mimeHandling XML objects in MIME
ietf-xml-useUsing XML in IETF protocols
imc-pflPKIX Freeware Library
imc-sflS/MIME v3 Freeware Library
imc-smime-devS/MIME developers' discussion
imc-vcalendarvCalendar implementation
imc-vcardvCard implementation
mail-ngNext generation of email


About This Site

We are always expanding the amount and kind of information we have available here. If you have suggestions for what else we might add here, please send them to IMC's director, Paul Hoffman, at phoffman@imc.org.

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Internet Mail Consortium
127 Segré Place
Santa Cruz, CA 95060 USA
Tel: +1 831-426-9827