Hosting Controller requires to sends emails such account setup mail, plan setup mail, invoice email, forgotten password mail, trouble ticket mails etc, therefore HC requires an SMTP component also. Hosting Controller install its own SMTP Service for sending HC mails. You can set up and alter the details of your SMTP service at any time, including the path the recycle bin and mail spool folders, number of retries the service attempts for sending mail, and the maximum number of threads to create at any one time when sending email. Multiple SMTP servers are supported.

Note: SMTP service is not an SMTP server. SMTP service just creates mail packet and delivers to SMTP server for delivery to destination.

To set up SMTP:

1. Click on the SMTP Settings link in the Preferences menu.

2. Enter the IP address or name of your SMTP server in the SMTP Server IP field.

3. Enter the paths of the mail spool folder and the recycle bin folders in the Mail Spool Directory and Recycle bin Directory fields. These folders can be anywhere on system.
   Note: Recycle bin Directory is directory where undeliverable mails will be placed by HC SMTP service.

4. Enter the number of times the SMTP server will try to send mail in the Mail Retries field.

5. Enter the interval, in seconds, for how long the SMTP server will process mail on the spool path in the Mail Timer field. Valid range is 3-15.

6. Enter the number of separate email threads created by the SMTP server at the same time in the Mail Threads field. Each individual email is sent on a separate thread.
   Note: Mail thread should be a greater number only if volume of mails sent by HC is too high. Valid range is 1-64.

7. Click on the button.

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