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SMTP channel (Send Email)

The SMTP channel is used to send out E-mail messages using the SMS Server.

Find more information about channels in general here.

The number of simultaneous SMTP channels you can configure depends on the license tier of your SMS Server installation.

Edit SMTP channel

Edit SMTP channel

E-mail templates

You can define e-mail template that help speed up sending large numbers of e-mails. Find out more information on how to create and use e-mail templates here.


Item Description
Server The host name or IP address of the SMTP server. For instance “smtp.yourdomain.dom” or “”.
Port The TCP port to connect to the SMTP server. This should normally be 587 but older server may also use 465 (secure) or 25.
Security This can be either None, STARTTLS or TLS/SSL. STARTTLS is the most common setting. This means that the connection is secured only if the sever side supports it.
Authentication This can be either None, Password or OAuth. OAuth is the correct setting for ‘Modern Authentication’. Click on ‘Authorize with OAuth…’ to setup your OAuth settings.
Account Name The Account Name property is used to log on to the SMTP server.
Password The Password property is used to log on to the SMTP server.
Full Name Friendly name of the sender. It will be shown as the sender’s friendly name by most POP3 clients.
E-mail Address E-mail address. This address will appear as the sender’s address by the recipient’s POP3 client.
Reply Address Reply address. If this address is not set the ‘E-mail Address’ will be the reply address.
Retry (ms) The time (MS) that the SMTP channel will wait before attempting to retry the connection to the SMTP server if the initial connection fails.
Command timeout (ms) The maximum time a command may take to complete before the connection is closed.
Connect interval (ms) The time (MS) between between re-connect attempts if the connection is unexpectedly closed.
Send interval (ms) The time (MS) between sending each E-mail. Use this property to throttle an SMTP connection and limite the number of e-mail messages per second.
Template cache How many templates should this channel keep in memory.
Fail if template not found Specify if a message should fail if it uses a template that does not exist. If this option is unchecked the message continue with the template-values text as a plain-text body.