Perhaps not.
If you're interested in my business, you respond in a timely manner. If you snooze, you lose.
That ended up being around US$2,200 lost to Software Hut, gained by Versalia and Amigakit.
Both of whom, funnily enough, responded to my email enquiry....
If they're only interested in domestic business they should explicitly state that. If any of the people working for me were so blase about customer service, I'd have them taken out the back and shot.