Now I get this error when trying to mass-mail:

Error: DBD::mysql::st execute failed: Column 'msgs_threads_mid' cannot be null at /home/virtual/mexicomail/home/httpd/cgi-bin/admin/GT/SQL/Driver/MYSQL.pm line 68.

HTTP/1.1 200 OK Date: Mon, 03 Sep 2001 04:15:01 GMT Server: Apache/1.3.14 (Unix) mod_perl/1.24 PHP/4.0.3pl1 FrontPage/4.0.4.3 mod_ssl/2.7.1 OpenSSL/0.9.6 mod_gzip/1.3.19.1a Connection: close Transfer-Encoding: chunked Content-Type: text/html; charset=iso-8859-1