I have a similar problem with MyFax.I sent them an email (email@example.com) telling them to Close my account Mar, 2016.
This month (Nov, 2016) my account was low ($4.00) and when I checked my balance I was 6.00 overdrawn. MyFax took 10 dollars out of my account. The one I closed 9 months earlier. I emailed them again and they told me to call a number to close my account.
As far as I knew it was already closed. The didn't tell me to call any numbers when I sent the first email closing my account. Free accounts are billed regularly after the first month unless cancelled within 30 days.
Canceling is easy by phone or online.(Email is online)
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