.PP
If nmh is using the SMTP MTA, the
.B \-server
-and the
+and
.B \-port
-switches can be used to override the default mail server (defined by the
-.RI servers
-entry in
-.I %nmhetcdir%/mts.conf
-).
+switches can be used to override the default mail server and port.
+The default server is set with
+.I servers
+in
+.IR %nmhetcdir%/mts.conf ,
+and the default port is
+.IR submission ,
+587.
.PP
If
.B nmh
describes the ways to supply a username and password.
.PP
If SASL authentication is successful,
-.BR nmh
+nmh
will attempt to negotiate a security layer for session encryption.
Encrypted data is labelled with `(sasl-encrypted)' and `(sasl-decrypted)' when
viewing the SMTP transaction with the