chore: import upstream snapshot with attribution

2026-07-13 13:11:39 +08:00
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+---
+id: smtp
+title: Monitoring SMTP
+sidebar_label: SMTP Monitor
+keywords: [ open source monitoring tool, open source SMTP monitoring tool, monitoring SMTP metrics ]
+---
+
+> Collect and monitor the general performance Metrics of SMTP.
+
+```text
+Determine whether the server is available through the hello command in SMTP
+```
+
+> see [https://datatracker.ietf.org/doc/html/rfc821#page-13](https://datatracker.ietf.org/doc/html/rfc821#page-13)
+
+**Protocol Use：SMTP**
+
+## Configuration parameter
+
+|   Parameter name    |                                                                        Parameter help description                                                                         |
+|---------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Monitoring Host     | Monitored IPV4, IPV6 or domain name. Note⚠️Without protocol header (eg: https://, http://)                                                                                |
+| Monitoring name     | Identify the name of this monitoring. The name needs to be unique                                                                                                         |
+| Port                | Port provided by SMTP                                                                                                                                                     |
+| Email               | Your email name, parameters for the hello command                                                                                                                         |
+| Timeout             | Allow collection response time                                                                                                                                            |
+| Collection interval | Interval time of monitor periodic data collection, unit: second, and the minimum interval that can be set is 30 seconds                                                   |
+| Whether to detect   | Whether to detect and check the availability of monitoring before adding monitoring. Adding and modifying operations will continue only after the detection is successful |
+| Description remarks | For more information about identifying and describing this monitoring, users can note information here                                                                    |
+
+### Collection Metrics
+
+#### Metrics Set：summary
+
+| Metric name  | Metric unit |                    Metric help description                     |
+|--------------|-------------|----------------------------------------------------------------|
+| responseTime | ms          | The time it takes for the SMTP server to respond to a request. |
+| response     |             | Response Status.                                               |
+| smtpBanner   |             | Banner of SMTP server.                                         |
+| heloInfo     |             | Response information returned by helo.                         |