Msexchange, nomsexchange Channel Options

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MS Exchange gateway channels (msexchange, nomsexchange)

The msexchange channel option may be used on TCP/IP channels to tell the MTA that this is a channel that communicates with MS Exchange gateways and clients. Use of the option tells the MTA to try and accomodate nonstandard behavior on the part of Exchange. Exactly what nonstnadard behaviors are dealt with is subject to change.

Currently the msexchange channel option causes advertisement (and recognition) of the nonstandard TLS capability string. The standard capability string for indicating TLS support is STARTTLS.

nomsexchangeis the default.