http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=557741 Patch by Victor Sudakov Modified by Anibal Monsalve Salazar --- ssmtp.c.orig 2009-11-23 20:55:11.000000000 +1100 +++ ssmtp.c 2009-11-24 13:27:58.000000000 +1100 @@ -1409,6 +1409,7 @@ int ssmtp(char *argv[]) { char b[(BUF_SZ + 2)], *buf = b+1, *p, *q; + char *remote_addr; #ifdef MD5AUTH char challenge[(BUF_SZ + 1)]; #endif @@ -1612,6 +1613,10 @@ outbytes += smtp_write(sock, "From: %s", from); } + if(remote_addr=getenv("REMOTE_ADDR")) { + outbytes += smtp_write(sock, "X-Originating-IP: %s", remote_addr); + } + if(have_date == False) { outbytes += smtp_write(sock, "Date: %s", arpadate); }