diff -ur sendmail-8.12.11/sendmail/srvrsmtp.c sendmail-8.12.11/sendmail/srvrsmtp.c
--- sendmail-8.12.11/sendmail/srvrsmtp.c	2004-01-14 20:13:46.000000000 +0100
+++ sendmail-8.12.11/sendmail/srvrsmtp.c	2004-06-16 22:09:38.000000000 +0200
@@ -2016,7 +2016,10 @@
 				message("250-ETRN");
 #if SASL
 			if (sasl_ok && mechlist != NULL && *mechlist != '\0')
+			{
 				message("250-AUTH %s", mechlist);
+				message("250-AUTH=%s", mechlist);
+			}
 #endif /* SASL */
 #if STARTTLS
 			if (tls_ok_srv &&