1 files changed, 2 insertions, 1 deletions
diff --git a/rcfile_y.y b/rcfile_y.y
index 554aaaa0..cda010c2 100644
--- a/rcfile_y.y
+++ b/rcfile_y.y
@@ -58,7 +58,7 @@ extern char * yytext;
 }
 
 %token DEFAULTS POLL SKIP VIA AKA LOCALDOMAINS PROTOCOL
-%token PREAUTHENTICATE TIMEOUT KPOP SDPS KERBEROS4 KERBEROS5 KERBEROS
+%token PREAUTHENTICATE TIMEOUT KPOP SDPS KERBEROS4 KERBEROS5 KERBEROS SSH
 %token ENVELOPE QVIRTUAL USERNAME PASSWORD FOLDER SMTPHOST MDA BSMTP LMTP
 %token SMTPADDRESS SPAMRESPONSE PRECONNECT POSTCONNECT LIMIT WARNINGS
 %token NETSEC INTERFACE MONITOR PLUGIN PLUGOUT
@@ -177,6 +177,7 @@ serv_option	: AKA alias_list
 		    current.server.preauthenticate = A_KERBEROS_V4;
 #endif /* KERBEROS_V5 */
 		}
+                | PREAUTHENTICATE SSH 	{current.server.preauthenticate = A_SSH;}
 		| TIMEOUT NUMBER	{current.server.timeout = $2;}
 
 		| ENVELOPE NUMBER STRING