Copyright for mailaddr.7:
Copyright (c) 1983, 1987 The Regents of the University of California. All rights reserved. @(#)mailaddr.7 6.5 (Berkeley) 2/14/89 Extensively rewritten by Arnt Gulbrandsen <agulbra@troll.no>. My changes are placed under the same copyright as the original BSD page. Adjusted by Arnt Gulbrandsen <arnt@gulbrandsen.priv.no> in 2004 to account for changes since 1995. Route-addrs are now even less common, etc. Some minor wording improvements. Same copyright.
License for mailaddr.7:
Redistribution and use in source and binary forms are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation, advertising materials, and other materials related to such distribution and use acknowledge that the software was developed by the University of California, Berkeley. The name of the University may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.