sendmail: don't mangle e-mail headers

Leave the original To: and Cc: headers untouched, when we try to extract
addresses from them.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/mailutils/sendmail.c b/mailutils/sendmail.c
index 4f73512e9..0f536adae 100644
--- a/mailutils/sendmail.c
+++ b/mailutils/sendmail.c
@@ -299,7 +299,9 @@ int sendmail_main(int argc UNUSED_PARAM, char **argv)
                 // To: or Cc: headers add recipients
                 if (opts & OPT_t) {
                         if (0 == strncasecmp("To:", s, 3) || 0 == strncasecmp("Bcc:" + 1, s, 3)) {
-                                rcptto(sane_address(s+3));
+                                char *r = xstrdup(s+3);
+                                rcptto(sane_address(r));
+                                free(r);
                                 goto addheader;
                         }
                         // Bcc: header adds blind copy (hidden) recipient