infinite loop if Recipient address rejected #279
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if smtp fail with a presistente error like:
5.7.1 <[email protected]>: Recipient address rejected: Dominio non valido / Invalid Domai
the exception is reported but the mail is not marked as processed causing the attempt to be sent to every cron
it would be interesting to manage smtp errors and report them in smtppro_email_log perhaps adding a column to report the sending error or status
but for the moment this hard fix is enough to avoid the infinite attempt to send and there is still a trace of the error in the exception log