Sensors > Email Sensors

The SMTP Sensor checks if an SMTP service is available and works properly.

Sensor Tasks

Test Sensor	Tests the current sensor settings.
Get Help	Opens the ServerSentinel online help for the current sensor.

Basic Settings

Name

The name of the sensor (max. 100 characters). Choose a meaningful name to clearly identify the sensor.

Sensor is Active

Toggles the sensor ON/OFF.

Check Interval

The interval or times at which which the sensor should perform its checks.

Simple	The sensor performs its checks every x time units, e.g. every 10 minutes.
Daily	The sensor performs its checks daily at one or more (max. 4) fixed times, e.g. daily at 0 and 12 o'clock.
Weekly	The sensor performs its checks at certain days of the weeks at one or more (max. 4) fixed times, e.g. monday to friday at 12 o'clock.
Monthly	The sensor performs its checks at certain days of the month at one or more (max. 4) fixed times, e.g. every 1st of the month at 12 o'clock.

Only check if this Sensor didn't fail

This sensor will only be checked, if the sensor in the drop down list didn't fail.

Further Information

Comment

Short additional information to the sensor (max. 255 characters).

SMTP Options

Host	The IP address or DNS name of the SMTP server (max. 1024 characters).
Port	The port of the SMTP server.
Authentication	Defines if authentication should be used.
Credentials	Here you can either select an existing credential set or create a new one by inserting a display name, an username and a password.
Encryption	Encryption which should be used for communication.
Registered DNS hostname (optional)	DNS name which is transmitted to the SMTP server (max. 255 characters).

Meta Data Values

Data Value	Data Type	Description
Checktime	Date	The time the dataset has been created.
Exception Message	String	The message of the error if any occurred.
Response Time	Integer	The response time needed to perform the check.
Status	String	A status string that may contain arbitrary information that was collected by the sensor (max. 255 characters). Per default this value is empty.
Status Flag	Enum	The status of the sensor after the check has been performed.

Data Values

Data Value	Data Type	Description
ESMTP Features	String	Which ESMTP features are supported by the server.
ESMTP supported	Boolean	Whether the ESMTP features are supported by the server or not.
Max. allowed Msg. Size	Integer	The maximum size of a message the server reports to be able to receive.
SASL authentication methods	String	The possible SASL authentication methods the server supports.
Server's initial greeting text	String	The greetings message the server sends when connected. This value is not saved to the database.
Session ID	Integer	The session ID the server assigned to the connection.

SMTP Sensor