开放中继 SMTP - 如何手动测试电子邮件服务器 SMTP

Internet services have become as essential as water and electricity in the daily lives of the people. When computers first came into existence, they were not very easy to handle. But the curiosity of the commoners to know about their technicality has led them to use these devices conveniently. Earlier, these machines were used for 了解更多 开放中继 SMTP - 如何手动测试电子邮件服务器 SMTP[...]

SMTP 验证 - 停止 SMTP AUTH 中继攻击和识别 Postfix 受攻击电子邮件帐户的简单步骤

https://youtube.com/watch?v=IaGV9l_3xZM

Today lots of the email application such as Sendmail, Postfix, or even MS Exchange has been re-designed to reduce the possibility of become an ‘spam-relay’. From our experience, most of the SMTP AUTH relay attack is caused by the compromised of the weakly password protected user accounts. Once the accounts discovered and been compromised. Spammer authenticate using the user credentials, they are granted to relay via the server, which is then used to send spam.

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众所周知,拥有一个可靠的 SMTP 服务器是正确发送电子邮件的关键。同样众所周知的是,没有人再提供不带验证或开放式中继的 SMTP 服务。但你仍然可以免费获得一个高质量的 SMTP 服务器供你使用!

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