Originally Posted by tom911
As a wildcard, could it be a file size problem? Doesn't the free service have a cap on how big an attachment can be? I've had the paid service the last two years and haven't run into that issue, myself.
I have the paid service specifically so I can upload larger files and more files in one e-mail. The uploads are crashing on files above 250K, which should be okay even with the free service.