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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Uptime Robot SMTP check is not service-specific (yet) but a TCP check…

Posted by jpluimers on 2018/04/11

When you use the check on the SMTP port, note that [WayBack] Uptime Robot on Twitter: “Yes, it is not service-specific (yet) but a TCP check.… “.

It does to full DNS protocol checks from IP address though, so I am glad about that.


via: [WayBack] Jeroen Pluimers on Twitter”@uptimerobot I have the impression that the SMTP port check does not really check anything but the port being open. Had a flaky mail server that would react on the TCP level, but timed out on the SMTP level. Uptimerobot did not notice that.”

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