Apache NiFi Configuration Best Practices
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Email Notification Service

The first Notifier is to send emails and the implementation is org.apache.nifi.bootstrap.notification.email.EmailNotificationService. It has the following properties available:

Property

Required

Description

SMTP Hostname

true

The hostname of the SMTP Server that is used to send Email Notifications

SMTP Port

true

The Port used for SMTP communications

SMTP Username

true

Username for the SMTP account

SMTP Password

Password for the SMTP account

SMTP Auth

Flag indicating whether authentication should be used

SMTP TLS

Flag indicating whether TLS should be enabled

SMTP Socket Factory

javax.net.ssl.SSLSocketFactory

SMTP X-Mailer Header

X-Mailer used in the header of the outgoing email

Content Type

Mime Type used to interpret the contents of the email, such as text/plain or text/html

From

true

Specifies the Email address to use as the sender. Otherwise, a "friendly name" can be used as the From address, but the value must be enclosed in double-quotes.

To

The recipients to include in the To-Line of the email

CC

The recipients to include in the CC-Line of the email

BCC

The recipients to include in the BCC-Line of the email

In addition to the properties above that are marked as required, at least one of the To, CC, or BCC properties must be set.

A complete example of configuring the Email service would look like the following:

     <service>
        <id>email-notification</id>
        <class>org.apache.nifi.bootstrap.notification.email.EmailNotificationService</class>
        <property name="SMTP Hostname">smtp.gmail.com</property>
        <property name="SMTP Port">587</property>
        <property name="SMTP Username">username@gmail.com</property>
        <property name="SMTP Password">super-secret-password</property>
        <property name="SMTP TLS">true</property>
        <property name="From">"NiFi Service Notifier"</property>
        <property name="To">username@gmail.com</property>
     </service>