One of the small businesses I work with has used them for ~6 months. Way too many rejected emails and mail server failures for my comfort (about 1%). I'm probab

One of the small businesses I work with has used them for ~6 months. Way too many rejected emails and mail server failures for my comfort (about 1%). I'm probably going to switch soon if the problems aren't resolved. Too bad, the product and price is perfect for our needs otherwise.