I am trying to populate an email address with a subject line and body text like this.

This works just for the email [link](mailto:[email protected]) but once I start adding the subject it does not work any more.

[link](mailto:[email protected]?subject=free chocolate)

Is there something about markdown I am not understanding or is it a Trello limitation?

1 Answer 1


You need to use %20 to represent spaces. Here is the correct code:

[Click here to open a template email](mailto:[email protected]?Subject=Subject%20Text&Body=Thank%20you)
  • Use %20 instead of the space in the subject line.
    – Adrian
    Nov 24, 2015 at 17:25

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