cotrol de SPAM, amavis no funciona, not function, no destinate emails

[calivent]

estas opciones no esta operativas, ya que no llegan los emails, funciona si se pone "no activado".




---> maillog.log


Apr 13 02:09:03 serv postfix/error[18642]: F07F0354395: to=<usuario@midomain.com>, relay=none, delay=3436, delays=3436/0.4/0/0.1, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to serv.midomain.com[200.121.71.62]:25: Connection refused)
Apr 13 02:09:03 serv postfix/error[18643]: 3D62D354411: to=<usuario@midomain.com>, relay=none, delay=2397, delays=2397/0.37/0/0.14, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to serv.midomain.com[200.121.71.62]:25: Connection refused)
Apr 13 02:09:03 serv postfix/error[18644]: EB7A63543E5: to=<usuario@midomain.com>, relay=none, delay=1174, delays=1173/0.39/0/0.15, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to serv.midomain.com[200.121.71.62]:25: Connection refused)
en el correo rebota sale: Undelivered Mail Returned to Sender

This is the mail system at host mail.midominio.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<usuario@midominio.com>: mail transport unavailable