which type of email server is typically used for outgoing mail
Simple Mail Transfer Protocol SMTP communication between mail servers uses TCP port 25. Mail clients on the other hand, often submit the outgoing emails to a mail server on port 587. Despite being deprecated, mail providers sometimes still permit the use of nonstandard port 465 for this purpose.
Jack Smith (Hotmail) Jack Smith, along with Sabeer Bhatia, founded the first free web-based email service, Hotmail.com, in 1996.[1]