The single email should link to an alias / distribution list / forwarder.
Set up a dummy address with no mailbox,
sendmespam@jyl.com.
Then auto forward all mail received by
sendmespam@jyl.com to the other addresses.
You set the forwarders in the account settings for
sendmespam@jyl.com
If you have access to the source code in WIX you can hand code it.
HTML Code:
<a href='mailto:ihatespam@jyl.com,whyallthespam@jyl.com'>Email Us</a>
Add additional addresses separated by commas, no spaces.