SMTP error from remote mail server after RCPT TO:<email@example.com>: host mx.server.com [xxx.xxx.xxx.xxx]: 550-Verification failed for <firstname.lastname@example.org> 550-No Such User Here 550 Sender verify failed
Bobcares provides website management services to website owners. Email errors are the most commonly encountered issues by the end customers.
Amongst these mail errors, ‘Sender verify failed’ is a prominent error that creates so much hassle to account owners. We’ve seen that it can be caused by issues ranging from improper file permissions to RFC non-compliance. (more…)