Tag Archives: esmtp

Gmail 將會提示沒有支援 STARTTLS 的信箱

Gmail 界面將會提示不支援 STARTTLS 的信箱:「Making email safer for you」。 先確認 msa.hinet.net 的 MX record: ;; ANSWER SECTION: msa.hinet.net. 86174 IN MX 0 msa-smtp-mx1.hinet.net. msa.hinet.net. 86174 IN MX 0 msa-smtp-mx2.hinet.net. 以及不支援 STARTTLS (在 EHLO 後不會出現 STARTTLS 選項): $ t msa-smtp-mx1.hinet.net 25 Trying … Continue reading

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Gmail 將會針對沒有加密傳輸收到的信件標示警告

前陣子在「STARTTLS 的不完整性以及大規模監控電子郵件」提到現有的標準無法確保 ESMTP 一定會啟用 STARTTLS。所以 Google 正在跟 M3AAWG 研究標準來保護這類攻擊: First, we found regions of the Internet actively preventing message encryption by tampering with requests to initiate SSL connections. To mitigate this attack, we are working closely with partners through the … Continue reading

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