How to open a Front composer from another app

If your company uses a CRM or internal tool, you can increase productivity by creating direct links to compose an email from Front. You can also pre-fill the To or the Subject fields with your customer's information.

Like most email clients, Front supports mailto links. All message types are supported, including SMS, so if you link to mailto:+14156667777, Front will compose from an SMS inbox.


Go into your Settings and select My preferences. Scroll down the list to find Default email client, and click Make default.

If you wish to use another default client, you can link to mailto-frontapp: instead.

You can also link to to compose from Front's web application, without configuring anything (make sure to URL-encode the mailto link in this case).

Supported Options

We support the following optional options:

  • CCBCC: Additional recipients. You can pass multiple recipients if you separate them with commas.
  • From: Address of the source channel. It should be the address of a channel that you can access.
  • Subject: URL-encoded subject.
  • body for HTML or text for plain-text: URL-encoded body of the message (pass one or the other).


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  • I don't see a way to send delayed emails from frontapp. Can I use a delay feature from another email composer to do this?

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