sunsouth llc

Mon, 04 May 2026 05:48:04 +0000

When you're away from home and send an email message using your home email account, your email message might be returned with a 550, 553, or relay-prohibited error message. The same situation. Below, we cover solutions to four common variations of the SMTP 550 error. The message 550 Relay not permitted indicates a failed connection between your email client and the. To fix email error 550, check the email address entered doesn't include types and make sure SMTP authentication is enabled. SMTP Error 550 is a response from the recipients mail server that signifies a failure in email delivery. The error is part of the Simple Mail Transfer Protocol (SMTP). When an email cannot.