This is the Postfix program at host

I'm sorry to have to inform you that your message could not be

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 Postfix program

<>: host[] said:

550-5.7.1 [ 1] Our system has detected an unusual rate of

550-5.7.1 unsolicited mail originating from your IP address. To protect our

550-5.7.1 users from spam, mail sent from your IP address has been blocked.

550-5.7.1 Please visit to

review 550 5.7.1 our Bulk Email Senders Guidelines. h28si5253779faa.8 (in

reply to end of DATA command)

1 個解答

  • ape821
    Lv 5
    1 0 年前

    信箱不存在,或是你打錯了(打錯機會比較大) => (後面沒有一點喔)