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- 退信提示:“550 MFE:Message detected as spam”
- 退信提示:“550 Mail content denied”
- 退信提示:“550 Your message was rejected because it appears to be part of a spam bomb。”
- 退信提示:“551 virus infected mail rejected”
- 退信提示:“554 5.6.0 Invalid content”
- 退信提示:“554 5.7.1 Message cannot be accepted, spam rejection.”
- 退信提示:“554 Denied (Mode:normal)”
- 退信提示:“554 Virus content detected,Your mailbox found the virus,pleasere-sent after killing virus.”
- 退信提示:“582 this message could not be delivered.”
- 退信提示:“DOT:550 Mail rejected”
- 退信提示:“DOT:550 spam message rejected”
- 退信提示:“DOT:554 this mail is rejected by antispam system”
- 退信提示:“SMTP error, DOT: 553 5.7.3 CONTENT REJECT.”
- 退信提示:“SMTP error, DOT:550 5.0.5 Looks like to Spam”
- 退信提示:“SMTP error, DOT:553 Blocked Using Spam Pattern, Your Message May Contain The Spam Contents.”
- 退信提示:“SMTP error, DOT:554 Transaction Failed”
- 退信提示:“SMTP error, DOT:554 sorry, Spam detected by SpamAssassin (#5.3.4).”
- 退信提示:“SMTP error, OPEN:550 Denied by policy.”
- 退信提示:“SMTP error, RCPT TO:551 5.7.1 Go away!”
- 退信提示:“The message was rejected because it contains prohibited virus or spam content”
- 退信提示:“User reject。”
- 退信提示:“bad welcome response from server,554 ip is rejected,smtp auth error limit exceed。”
- 退信提示:“host [xxxx] said:554 sorry, Spam detected by SpamAssassin (# 5.3.4) (in reply to end of DATA command)”
- 退信提示:“451 Requested action aborted:local error in processing”
- 退信提示:“MD Server Error 5:database error.”
- 退信提示:“SMTP error,RCPT TO:550 USe mail relays of your ISP”