On 2011-07-22 mouss wrote: > Le 20/07/2011 22:15, Peter Tselios a écrit : >> Well, since I plan to move into the Postfix wagon, from scratch, I >> want to learn more about the 587 port submission and the blockage of >> port 25 for that. What are the best practices on the matter? Are >> there any documents on that? Soren how do you implement it? > > The new standard recommends using port 587 (now called "submission") > for mail submission, instead of overloading port 25. > > it is recommended that submission access requires authentication.
Authentication is mandatory for mail submission, according to RFC4409. Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky
