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The Postfix program
: host gmail-smtp-in.l.google.com[209.85.143.114] said: 550-5.7.1 [220.122.76.91] The IP you're using to send mail is not authorized to 550-5.7.1 send email directly to our servers. Please use the SMTP relay at your 550-5.7.1 service provider instead. Learn more at 550 5.7.1 .com/support/bin/answer.py?answer=10336 a14si240039tia.7 (in reply to end of DATA command)
Final-Recipient: rfc822;lam5566@gmail.com Action: failed Status: 5.0.0 Diagnostic-Code: X-Postfix; host gmail-smtp-in.l.google.com[209.85.143.114] said: 550-5.7.1 [220.122.76.91] The IP you're using to send mail is not authorized to 550-5.7.1 send email directly to our servers. Please use the SMTP relay at your 550-5.7.1 service provider instead. Learn more at 550 5.7.1 .com/support/bin/answer.py?answer=10336 a14si240039tia.7 (in reply to end of DATA command)
昨天用公司的邮件服务器发信到Gmail,被退信,退信原因如上所述,网上搜索了一下,发现这篇文章 这是解决办法一: 轉換到 Google Apps, localhost信寄不出去的解法
The IP you're using to send email is not authorized 550-5.7.1 to send email directly to our servers. Please use 550 5.7.1 the SMTP relay at your service provider instead.
然後不假思索的就拿這些 keyword 去找, 然後找到的意思是, 查看看自己的 IP 是不是進了 Spam List, 然後算算看進 spam list 有沒有很多... (原來有這麼多家在做 spam list),再來去請他們解開 spam 清單, 查 spam list 可由下兩個網站查(基本上查到的地方都一樣):