Forum Discussion
Need help: 550 5.7.367 Sender Not Authorized for Relay
Anyone here experienced this issue? What happened is: email address removed for privacy reasons and email address removed for privacy reasons are perfectly functional individual domains (i own bot...
Is the account a regular mailbox or an alias?Also, is that account connected to another server? Gmail for example? Some folks setup send/receive in Gmail for a non Gmail account and that can give this error.