![spam mail server ip](https://ez3c.tw/images/no-image.png)
Emailblacklistsareacommonwayofreducingspam.Ifyoudon'tknowyourmailserver'saddress,startwithaMXLookup.Or,justsendanemailtoping ...,請教各位前輩由於公司關於資訊安全的部分做得不是很完善導致公司最近導入的ExchangeMailServer對外的IP位址一直被spam網站列...
如何設定伺服器中繼來解決IP被列黑名單的情況
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0usersfromspam,mailsentfromyourIPaddresshasbeentemporarily421...建議可以在防火牆用規則把所有對外的25port都封鎖,只保留mailserver主機可對外連25 ...
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