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Hello support,

I registered a new profile in Trello for a colleague about a couple of weeks ago.

However, she has never received any confirmation email. We have tried many times to have the email sent again (also with the link but it did not work.

The email address had been created not long before the creation of the Trello profile, which means that it might not have been active yet when the confirmation email was sent by Trello.

I wonder if this may have caused an error which put the email automatically in a blacklist  on Trello's server. 

I sent a message using the contact form but was never contacted by Trello support.

Can anybody help?

Thanks in advance!

1 answer

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Answer accepted
Jodi LeBlanc Community Leader Mar 06, 2019

Hi @Francesca Vimercati here is Trello support's email address: Please also check with your IT unit to see if Trello's email could also be on the blacklist. I am sure you already did this but please ask your colleague to check her junk/spam folder. I have seen all three of these scenarios happen in the past and Support was able to help with the blacklist.

thank you,


Iain Dooley Community Leader Mar 06, 2019

@Francesca Vimercati @Jodi LeBlanc I've had this problem before, I think Trello uses SendGrid which will automatically block addresses which don't exist, so if there's a chance the email was sent before the address was active then you'll need to email them to unblock it. They respond quickly though :)

 @Jodi LeBlanc @Iain Dooley : thanks for your answers! I contacted Trello’s support and they were able to fix the problem. It was as I thought, blacklisted email due to the fact the email wasn’t active yet.

Thanks again :)

Like Eduardo_Cardoso likes this
Jodi LeBlanc Community Leader Mar 07, 2019

Great to hear, thanks for the update @Francesca Vimercati 

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