Rex 's Experience | 各類退信整理分析

----- The following addresses had permanent fatal errors ----- [email]fenghua@subeeheng.com[/email] ... Diagnostic-Code: X-Postfix; host ss.com.tr[81.213.219.45] said: 550 5.1.1 User unknown; rejecting (in reply to RCPT TO command) 對方的服務器的退信是 在 ...

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