apache--hertzbeat/home/docs/help/pop3.md

id, title, sidebar_label, keywords

id	title	sidebar_label	keywords
pop3	Monitoring POP3	POP3 Monitor	open source monitoring tool open source java monitoring tool monitoring POP3 metrics

Collect and monitor the general performance Metrics of POP3.

Protocol Use：POP3

Enable POP3 Service

If you want to monitor information in 'POP3' with this monitoring type, you just need to open POP3 service in your mail server.

1、Open POP3 Service:

Using QQ Mail as an example [similar for other email services]:
    1. Click the "Settings" option
    2. Select "Account"
    3. Find the option to enable SMTP/POP3/IMAP, and turn it on
    4. Obtain the POP3 server domain name, port number, and authorization code [provided by QQ Mail after enabling SMTP/POP3/IMAP services]
    5. Connect to the POP3 server using the POP3 server domain name, port number, QQ email account, and authorization code to collect monitoring metrics

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 POP3
SSL	POP3 If enabled SSL
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：email_status

Metric name	Metric unit	Metric help description
email_count		Number of emails
mailbox_size	kb	The total size of emails in the mailbox