X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/8459057864e8acfbbd91611cc44779310d6149dc..d19310d99aebe53a7b821bfbfd664a0859b051e1:/src/README diff --git a/src/README b/src/README index d9379f7f8..768eabbe8 100644 --- a/src/README +++ b/src/README @@ -2,6 +2,7 @@ THE EXIM MAIL TRANSFER AGENT VERSION 4 -------------------------------------- Copyright (c) 1995 - 2018 University of Cambridge. +SPDX-License-Identifier: GPL-2.0-or-later See the file NOTICE for conditions of use and distribution. There is a book about Exim by Philip Hazel called "The Exim SMTP Mail Server", @@ -9,7 +10,7 @@ published by UIT Cambridge in May 2003. This is the official guide for Exim 4. The current edition covers release 4.10 and a few later extensions. The O'Reilly book about Exim ("Exim The Mail Transfer Agent" by Philip Hazel) -covers Exim 3, which is now deprecated. Exim 4 has a large number of changes +covers Exim 3, which is now obsolete. Exim 4 has a large number of changes from Exim 3, though the basic structure and philosophy remains the same. The older book may be helpful for the background, but a lot of the detail has changed, so it is likely to be confusing to newcomers.