diff --git a/git-send-email.perl b/git-send-email.perl
index fdb0029b59..f7a31e874e 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -1197,7 +1197,7 @@ X-Mailer: git-send-email $gitversion
 
 	if ($dry_run) {
 		# We don't want to send the email.
-	} elsif ($smtp_server =~ m#^/#) {
+	} elsif ($smtp_server =~ m#^/# || $smtp_server =~ m#[a-zA-Z]\:#) {
 		my $pid = open my $sm, '|-';
 		defined $pid or die $!;
 		if (!$pid) {
@@ -1271,7 +1271,7 @@ X-Mailer: git-send-email $gitversion
 		printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
 	} else {
 		print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
-		if ($smtp_server !~ m#^/#) {
+		if ($smtp_server !~ m#^/# && $smtp_server !~ m#[a-zA-Z]:#) {
 			print "Server: $smtp_server\n";
 			print "MAIL FROM:<$raw_from>\n";
 			foreach my $entry (@recipients) {