- (void) tls_error(US"SSL_accept", NULL, sigalrm_seen ? US"timed out" : NULL, errstr);
+ {
+ uschar * s = US"SSL_accept";
+ ulong e = ERR_peek_error();
+ if (ERR_GET_REASON(e) == SSL_R_WRONG_VERSION_NUMBER)
+ s = string_sprintf("%s (%s)", s, SSL_get_version(server_ssl));
+ (void) tls_error(s, NULL, sigalrm_seen ? US"timed out" : NULL, errstr);