If you emailed, you’d have gotten a reply for sure; 100{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} of emails are answered without doubt, but do check spam folders, etc and that the email used was correct as both can cause issues. Email is the primary communication method though.
If it was over the weekend, depending on what it was about, the guys would pick it up at some stage on Monday but they will always respond.