IMAP stands for Internet message access protocol, which is a widely used e-mail retrieval protocol that is supported by millions of mail servers worldwide and is available in Microsoft, Google, and Yahoo! products. Also, take a look at our SMTP service.

Automatic Data Processing, Inc., commonly known as ADP, is an American provider of human resources management software and services. Until 2014, ADP was one of four American companies in the S&P 500 to have a AAA credit rating from both Standard & Poor's and Moody's.