Below, you can find links to the [descriptions for] and [solutions to] some common email error codes that you might encounter when sending email from GroupMail or other group email software or email service providers. Object Variable or With Block … Read More
Server says: 550 5.7.1 – Unable to relay
SMTP Error Code Server says: 550 5.7.1 – Unable to relay Solution for Server says: 550 5.7.1 – Unable to relay Error A “550 5.7.1 – Unable to relay” error is usually related to the SMTP User Authentication details you … Read More