Linode Email 無法寄送的解法

linode-email-無法寄送的解法

linode-email-無法寄送的解法

Linode 於 2019/12/5 以後開得新帳號(原因:CAN-SPAM Act),連到外部 SMTP Port 預設都被擋掉,以至於全部 Connection timed out。 新開機器可以直接 telnet 測試看看: $ telnet gmail-smtp-in.l.google.com 25 Trying 2404:6800:4008:c03::1b… Trying 74.125.203.26… telnet: Unable to connect to remote host: Connection timed out 正常狀況 $ telnet gmail-smtp-in.l.google.com 25 Trying 74.125.203.26… Connected to gmail-smtp-in.l.google.com. Escape character is '^]'. 220 mx.google.com ESMTP k2si12268129pld.364 - gsmtp 於 Postfix 的…

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