NetMail Merge - Version 2.01 With NetMail Merge, you create personalized messages you send via standard Internet email, fast and easy. You don't have to print letters, stuff and stamp envelopes and wait several days for a response. NetMail Merge lets you open your contact databases directly with no tricky importing. If you store your customer information in any text delimited file, you can open that contact file directly in NetMail Merge.