I was an efax client for more than ten years. It is on my business cards, letterhead and all emails sent to clients since 1999. I had the IRS send me copies of all my information, W-2's and tax returns for the last 3 years. One week later I called the IRS back because I did not receive the documents. They told me all were sent. I tried to log on to Efax, to no avail. When I finally spoke to someone from Efax, I was told my account was closed and another person had my number. This person now has all of my tax information, SSN, address, phone number, AGI, etc. Anything they need to steal my identity. Do not trust this company. read full review »