There are reports that Spark / Xtra / Yahoos email system is currently blocking authenticated third party email addresses, from sending via their SMTP server. This problem is apparently causing emails sent via Spark / Xtra /Yahoos SMTP server, to bounce back with the following error 550 5.7.1 You are not authorized to send as name@yourdomain.co.nz […]
Business NZ Email Hosting
Other Business Email Hosting Features Please note that our version of Atmail is specially customised for our email servers. Therefore some features may be disabled for compatibility or licensing reasons. Our email systems do not support Microsoft ActiveSync.
