I hope that io will leave the restriction as it is.??
I think readers have available some reasonable tools for the particular predicament you describe.
Google-searching the company by name ?
If that does not turn up a "contact us" address, try replying to the group message that give ?the munged address. In that reply ask that sender resend the address--but in am obviously technically broken form that will? elude? automated scans, while remaining easy fort? humans to read.?
For instance, if the company's e-addres is " <mysterycompany@...>", s/he could rewrite the address as?