This error typically indicates that the SMTP server you have configured up.time to relay messages through requires authentication, or that the user you are authenticating as doesn't have permission to send through this server.\n
\n
If you are not using authentication, confirm with your email administrator if it is required.\n
\n
If you are using authentication, forward your SMTP settings in up.time to your email administrator for review.
\n
If you are not using authentication, confirm with your email administrator if it is required.\n
\n
If you are using authentication, forward your SMTP settings in up.time to your email administrator for review.