ERROR Email - roundcube - server Boru

[bdistler]

try to send test - receive a (fast) pop-up-down -- something about 'no such user here'
note ==> 'user'

also NOT receiving Email from PHP mail function -- but I was this AM

ref: The emails had been stuck...
http://x10hosting.com/forums/free-hosting/162062-email-dups-free-hosting.html

So are they stuck again ??