static char *saslmech=NULL; /* Force use of particular SASL mech */
static char *user=NULL; /* Authenticate as this user */
static char *port="submission"; /* Name of server port for SMTP submission */
-static int tls=0; /* Use TLS for encryption */
+static int tls=-1; /* Use TLS for encryption */
static int fromcount=0; /* Count of addresses on From: header */
static int seensender=0; /* Have we seen a Sender: header? */
envelope = from;
}
+ if (tls == -1) {
+#ifdef TLS_SUPPORT
+ /*
+ * The user didn't specify any of the tls switches. Try to
+ * help them by implying -initialtls if they're using port 465
+ * (smtps, until IANA revoked that registration in 1998).
+ */
+ tls = ! strcmp (port, "465") || ! strcasecmp (port, "smtps")
+ ? 2
+ : 0;
+#else /* ! TLS_SUPPORT */
+ tls = 0;
+#endif /* ! TLS_SUPPORT */
+ }
+
/* If we are doing a "whom" check */
if (whomsw) {
/* This won't work with MTS_SENDMAIL_PIPE. */