What does server error 550 mean?
Authentication is required for
A “550 Authentication is required for relay” error indicates that your email server requires SMTP authentication in order to send outgoing mail, but the email client used to send email has not been authenticated with your username and password. Fortunately, resolving this error can be done quickly and easily.
What does 550 5. 1 0 address rejected mean?
1. Email Error 550 5.1. 0 Address Rejected. This error message means the recipient’s server won’t accept emails from you. This is most probably because the recipient blocks your email address.
What does 550 relay not permitted?
When a user receives a 550 relay not permitted error, it means they are not permitted to send an email via the server that they are attempting to send an email from. When users send an email from their Internet Service Providers (ISP) mail servers, they generally do not have to authenticate themselves.
Why did remote server return’550 5.2.0′?
Remote Server returned ‘550 5.2.0 RESOLVER.ADR.BadPrimary; recipient primary SMTP address is missing or invalid’ This problem may occur if one of the following conditions is true: The primary SMTP address was not added to the external contact’s proxy address. A legacy proxy address is specified in the external contact’s proxy address.
What was the server response 5.2.0?
The server response was: 5.2.0 STOREDRV.Submission.Exception:SendAsDeniedException.MapiExceptionSendAsDenied; Failed to process message due to a permanent exception with message Cannot submit message. email Share Improve this question Follow asked Feb 26 ’20 at 2:56
What does 550 request action not taken mean?
“550 Requested action not taken: mailbox unavailable” “550 5 2 1 mail from refused spam site” What this error represents is that your SMTP server was not able to deliver your send email. The SMTP servers are configured for authentication to outgoing emails.
When do I get an email error 550?
This blog explains the email error 550 and how to fix them with the manual approach. If you got the error 550 messages when the outgoing server (SMTP) does not know you as an authorized user, therefore, sending mail rejected or returned. In this blog, we will discuss what is error 550?