Errore SMTP (550):

[cibosociale]

hello i'm new here and i have no knowledge about this type of error someone is capable to help me i'm in really big trouble here
the error is the following: Errore SMTP (550): inserimento del destinatario "[email protected]" non riuscito (Account [email protected] currently blocked for sending to too many
invalid recipients)
is written in italian because i'm italian if there is any italian guy that can help me i appriciate thank u

[JohnDoh]

The message comes from your email provider. Probably they have some anti-spam stuff that automatically blocks accounts which try to send email to a certain number of invalid recipients in a given time frame. You should contact them for more information.