This mail address is handled by 5 different computers:

Query:Mail Exchange (MX):HOME.COM
HOME.COM        MX      100     mx1.HOME.COM
HOME.COM        MX      100     mx2.HOME.COM
HOME.COM        MX      100     mx3.HOME.COM
HOME.COM        MX      100     mx4.HOME.COM
HOME.COM        MX      50      mx-rr.HOME.COM

Any, all, or none could have produced the problem.  Contact the
postmaster.