I get this error SMTP error 550 failed to add recipient 5.1.1 recipient address rejected, anytime I try to send an email. I can receive just fine it’s sending. I’ve check DNS records and blacklist sites, everything is fine. Can someone please help?
I get this error SMTP error 550 failed to add recipient 5.1.1 recipient address rejected, anytime I try to send an email. I can receive just fine it’s sending. I’ve check DNS records and blacklist sites, everything is fine. Can someone please help?