GOOGLE Apps MX Record is not working with Yahoo

Please help me how to solve this problem,
I have this domain in Yahoo Yahaninc.com,  I got this error when I try to sent an email to my Google Apps email account.
*******************************************************************************************************************

----- The following addresses had permanent fatal errors -----
    (reason: 550 User Unknown)

   ----- Transcript of session follows ----- ... while talking to inbound.yahaninc.com.netsolmail.net.:
>>> DATA
<<< 550 User Unknown
550 5.1.1 <>... User unknown
451 4.4.1 reply: read error from inbound.yahaninc.com.netsolmail.net.
*******************************************************************************************************************
However, I am able to send email from my Google Apps account to the
same outside account.

My domain name is in Yahoo I don't know if this could be the problem

I did configure this on
cname record                 www.yahaninc.com                                              ghs.google.com
CNAME Record              mail.yahaninc.com                                                 ghs.google.com
CNAME Record              googleffffffffd9bf4cc9.yahaninc.com                   google.com

I also configure MX record
MX Records                 aspmx.l.google.com                10


Before I change the mX Recod to

ASPMX.L.GOOGLE.COM. 10
ALT1.ASPMX.L.GOOGLE.COM. 20
ALT2.ASPMX.L.GOOGLE.COM. 30
ASPMX2.GOOGLEMAIL.COM. 40
ASPMX3.GOOGLEMAIL.COM. 50
ASPMX4.GOOGLEMAIL.COM. 60
ASPMX5.GOOGLEMAIL.COM. 70

Yahoo system change the order and delete caps
and it's does not work.

What may could be the problem?
LVL 1
segpAsked:
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RajneshwarPrasadCommented:
Check with your Domain Registar. Justify your MX Record IP.
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