SMTP Error 550:5.1.1

Mr.Kiernan@Riseup.Net a posé une question...
SMTP Error (550): Failed to add recipient "xx.xxxxx@riseup.net" (5.1.1 : Recipient address rejected: User unknown).

I am unable to recieve any messsages and my email address says active on riseup.net
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Cyanolyca turcosa ecua4944
Urraca De Cuello Negro a répondu...
I'm sorry, there was a bug from our side. Can you try to send e-mail again?
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Cyanolyca turcosa ecua4944
Urraca De Cuello Negro a répondu...
I'm sorry, there was a bug from our side. Can you try to send e-mail again?
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Mr.Kiernan@Riseup.Net a répondu...
I have tried to send messages to that address and still getting the same error message

SMTP Error (550): Failed to add recipient "xx.xxxxx@riseup.net" (5.1.1 : Recipient address rejected: User unknown).
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