I had to manually encode the recipient delimiter "+" to "%2B" in a password reset email link because my hunch was the server didn't know how to parse it correctly. I was right. Sigh.
@philrw which service?
@jonn A retail chain chicken sandwich food establishment. Don't know what they use on the backend.
@jonn Yeah, I tried to use their website contact form and it's broken, too. Double sigh.