Right now, Trello can accept email addresses up to 43 characters in length.
If your colleague's email address is shorter than that and still isn't being received, could you have him try the troubleshooting steps listed here: http://help.trello.com/article/716-not-receiving-confirmation-emails-or-password-reset-emails ?
Let us know if you have any questions!
This community is celebrating its one-year anniversary and Atlassian co-founder Mike Cannon-Brookes has all the feels.Read more
You’re invited to our first ever Trello User Groups Good news for current and aspiring Trello enthusiasts! We’re launching Trello User Groups so that you can network, share ideas, solve ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
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You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs