Thanks to Skip Collins
for this link.
“How tasty is the GUI icing that Pro adds to its open-source
layers?”
“A few years ago, if you had told me that in 1999 I’d be
reviewing a new, commercial version of Sendmail from a just-formed
Sendmail company, I would have had great doubts. After all, hasn’t
Sendmail been around since 1981? And, while it is used on millions
of Internet computers (the Sendmail Inc. Web site claims “Sendmail
powers over 75 percent of the Internet’s mail servers” and I
believe it), surely before 1999 something new and improved would
have come along. Finally, something has.”