Sorry, I realize that the diff file I sent was unreadable, here's a not-context one which seems to be much more clear. Anyway, I just got smail_3.2.0.102-1 sources and am going to try compiling+installing and using the attribute you suggested for /etc/smail/config :-)
Nicola
Output of diff -B transports-openRelay noOpenRelay/transports-noOpenRelay 16a17,19 > # smtp: driver=tcpsmtp, max_addrs=100, -max_chars, inet; > # use_bind, defer_no_connect, -local_mx_okay, defnames > 18c21 < use_bind, defer_no_connect, -local_mx_okay, defnames --- > use_bind, defer_no_connect, defnames Output of diff -B routers-alone-openRelay noOpenRelay/routers-alone-noOpenRelay 12a13,17 > # inet_hosts: > # driver=bind, transport=smtp; > # defer_no_connect, -local_mx_okay, defnames, > # gateways=uu.net:uucp:+:cunyvm.cuny.edu:bitnet > 15c20 < defer_no_connect, -local_mx_okay, defnames, --- > defer_no_connect, defnames,