Fixed bug #74510 win32/sendmail.c anchors CC header but not BCC

diff --git a/win32/sendmail.c b/win32/sendmail.c
index d460f22fda5b8d60a811a8d2434c8b0bd72c65d2..d83663a47526070516d436cedeef96b0d0a11638 100644 (file)
--- a/win32/sendmail.c
+++ b/win32/sendmail.c
@@ -535,7 +535,7 @@ static int SendText(char *RPath, char *Subject, char *mailTo, char *mailCc, char
                efree(tempMailTo);
        }
        else if (headers) {
-               if (pos1 = strstr(headers_lc, "bcc:")) {
+               if ((pos1 = strstr(headers_lc, "bcc:")) && (pos1 == headers_lc || *(pos1-1) == '\n')) {
                        /* Real offset is memaddress from the original headers + difference of
                         * string found in the lowercase headrs + 4 characters to jump over
                         * the bcc: */