+A sizelimit of
+.I 0
+(zero) or
+.I none
+means no limit.
+A sizelimit of
+.I max
+means the maximum integer allowable by the protocol.
+A server may impose a maximal sizelimit which only
+the root user may override.
+.TP
+.BI \-O \ security-properties
+Specify SASL security properties.
+.TP
+.B \-I
+Enable SASL Interactive mode. Always prompt. Default is to prompt
+only as needed.
+.TP
+.B \-Q
+Enable SASL Quiet mode. Never prompt.
+.TP
+.BI \-U \ authcid
+Specify the authentication ID for SASL bind. The form of the ID
+depends on the actual SASL mechanism used.
+.TP
+.BI \-R \ realm
+Specify the realm of authentication ID for SASL bind. The form of the realm
+depends on the actual SASL mechanism used.
+.TP
+.BI \-X \ authzid
+Specify the requested authorization ID for SASL bind.
+.I authzid
+must be one of the following formats:
+.B dn:\c
+.I <distinguished name>
+or
+.B u:\c
+.I <username>
+.TP
+.BI \-Y \ mech
+Specify the SASL mechanism to be used for authentication. If it's not
+specified, the program will choose the best mechanism the server knows.
+.TP
+.B \-Z[Z]
+Issue StartTLS (Transport Layer Security) extended operation. If you use
+.B \-ZZ\c
+, the command will require the operation to be successful.