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1.9 Standards Assignments

These extensions use standard IANA port assignments for IMAP4, as listed in the following table. Port mapping is configurable so that nondefault values can be used.

Parameter

Value

Reference

IANA assigned port for IMAP

143

http://www.iana.org/assignments/port-numbers

IANA assigned port for IMAP4 over TLS/SSL

993

http://www.iana.org/assignments/port-numbers

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