-Currently, security layers ("encryption" in SASL-speak) are only supported
-for POP. This means that if your POP server _and_ the selected GSSAPI
-mechanism supports it, POP communications will be encrypted. Currently
-SMTP does NOT support security layers; this may be added in a future
-release.
+Currently, security layers ("encryption" in SASL-speak) are supported
+for SMTP. This means that if your SMTP server _and_ the selected SASL
+mechanism supports it, client-server communications will be encrypted.
+In theory this should work with any SASL mechanism that supports security
+layers; it has only been tested with the GSSAPI mechanism.