I used the forum and knowledgebase to diagnose why invoices had stopped being received by a customer who had previously received them via quickfile. I have been copying and pasting invoices and sending them from my email account. I understand that the problem is, in all likelihood, a spam filter preventing my invoices being allowed into recipient inboxes. They show as unread on my dashboard. Is there anything that quickfile can do to put this right? I was advised to contact the quickfile technician who answered the topic on the forum, but I don’t know how to send that person an email.