What does this error means?
550Your message does not conform to RFC2822 standard (in replyto end of DATA
command)

What can i correct this error

Michael Hu <(E-Mail Removed)> wrote:

> What does this error means?
> 550Your message does not conform to RFC2822 standard (in replyto end
> of DATA command)

It's often an indication you have an add-in, like an antivirus scanner,
interfering with the communications between Outlook and the server.

> What can i correct this error

The first thing to do is to uninstall your AV program and reinstall it
without the mail scanning feature.
--
Brian Tillman [MVP-Outlook]