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554 This mail was rejected by antispam system workaround

Source: Internet
Author: User
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554 This mail was rejected by antispam system
21CN mailbox, this kind of error occurs when sending a letter using the SMTP class, which has been normal before. Ask for it.


Create Socket:success
To create a socket connection: Success

Server answer: AISP3-SMTP antispam proxy Server is ready

Client command: EHLO HELO

Server answer: 554 This mail was rejected by antispam system, id=aisp3-smtp.23363.1169294424&data=2007012020

Client command: AUTH LOGIN


------Solution--------------------
Your SMTP sealed your IP, as junk e-mail.

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