MTA退信？
Failed address: [email protected]--- Session Transcript ---
6i&f+H%s%f4+>w0O?} 8Q*R!A(DNS *A0H>9: 168.95.1.1)...
P=020 D=nsp.com TTL=(720) MX=P=010 D=nsp.com TTL=(720) MX=Attempting MX: P=010 D=nsp.com TTL=(720) MX=9A8U SMTP *:3s=u!A%X<P
&a'}0O?}(A-record)$$*: %D>w&W:Y8Q*R$$ (DNS *A0H>9:
168.95.1.1)...
D=ms1.nsp.com TTL=(0) A=9A8U SMTP *:3s=u!A%X<P 5%-T Socket 3s=u...
$w8g;P Socket +X%_3s=u
5%-T0_)l3q0T(s)w...
554-ironport2.nsp.com
554 Your access to this mail system has been rejected due to the sending MTA's poor reputation. If you believe that this failure is in error, please contact the intended recipient via alternate means.
QUIT
--- End Transcript ---
: 6l%s%]'t -S*~%[@I.W 通常這個情況是被對方封鎖，可能是你的 IP 在黑名單中。 原來是我沒設定DNS反解照成對方主機判定垃圾郵件，謝謝大大！
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