If you have ever recived a 541 error when sending mail then you have come to the right post.
Why Do I Get This?
When you send an email to a recipient you will (at some point in your life) received this error. The reason for this is that the mailbox has automatically rejected your email, labelling it as spam.
What Can I Do To Resolve This?
You can speak to the company or person you are sending the email to and ask that they add you to their "Whitelist".
For more information about error codes please visit out Knowledge Base or contact us.