I would like to avoid that if possible. I had itunes several computers ago. Literally the worst.
Don’t use it for anything other then this. Don’t have it start with windows.
Otherwise (especially if only a 1 time thing) ask someone with an iPhone to submit it on your behalf?
Either way, at the end of your question, add a suggestion that they accept questions either via email or through other methods..
Podcast creators want listener engagement, helps them for growth and sponsorship opportunities. You shouldn’t have to “bend over backwards” for them..