Trello is a great project management tool that makes collaboration easy. Airmail has integration with Trello. 

How to enable Trello integration ?

In Airmail, Please go to Preferences > Services > Trello > Link Trello

How to send a message to Trello?

Select a message > Right Click > Send to > Send to Trello. You can also select a message and press 'Z' for the shortcut of Send To.

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