550 5.7.1 Service unavailable; client [******] blocked using mail.badip.de
550 5.7.1 Service unavailable; client [******] blocked using mail.badip.de
Hi there,
I can´t send any E-Mails from my Zoho as the Zoho-IP seems to be blocked by mail.badip.de.
What´s this about and what can I do?
Regards, Timo