Gail.com
The site which is similar to Gmail.com. It only has one letter off from Gmail.com.
According to the owners, it gets a ton of traffic and misdirected emails.
In 2015, it received an average of 5,000 visits a day. It gets 1.2 million misdirected emails per week.
The owners fought off a UDRP brought by a Brazilian company in 2006.
The owners aren’t interested in selling the domain or monetizing it. They could make a lot of money monetizing it with an email data firm.