小的在公司擔任跟電有關都負責的苦命人,
上週五開始公司,業務們發信陸續收到Undelivered Mail Returned to Sender的信件,
信件內有說明是被哪個驗證擋下的,也花了一些時間一一去解除blocklist,
但可能早上才解完,隔天早上就又被判定有問題,
「This IP address was detected and listed 7 times in the past 28 days, and 5 times in the past 24 hours. The most recent detection was at Mon May 28 16:25:00 2018 UTC +/- 5 minutes」
求問,我該如何找出導致這個問題的裝置呢...