auto-reply not working plesk 10.x

[hostingE]

dear parallels and senior team

i had a problem with auto-reply option in plesk, we already try all guide that we knows but still not working. any ideas ??

this link are i already did it, but still not work :

http://forum.parallels.com/showthread.php?t=108678
http://kb.parallels.com/en/10039
http://forum.parallels.com/showthread.php?t=210377

 

[hostingE]

any update from parallels team???

 

[kram@]

any update from parallels team?

 

[IgorG]

Autoresponder is not working if email account contain contains mixed case letters in name - http://kb.parallels.com/113752

 

[kram@]

@IgorG

Autoresponder is not working if email account contain contains mixed case letters in name - http://kb.parallels.com/113752

The email address is a simple [email protected]

I have just noticed is that this only happens on One Specific domain.
Any thoughts?