rbistolfi has packaged a native 64-bit version of ssmtp for VL64 6.0.
Package Size: 25K
Installed Size: 80K
ssmtp: ssmtp (Extremely simple MTA to get mail off the system to a mail hub)
ssmtp: A secure, effective and simple way of getting mail off a system to
ssmtp: your mail hub. It contains no suid-binaries or other dangerous things
ssmtp: - no mail spool to poke around in, and no daemons running in the
ssmtp: background. Mail is simply forwarded to the configured mailhost.
ssmtp: Extremely easy configuration.
ssmtp: WARNING: the above is all it does; it does not receive mail, expand
ssmtp: aliases or manage a queue.
ssmtp: License: GPL
ssmtp: Authors: Software in the Public Interest, Inc.
ssmtp: Website: http://packages.debian.org/etch/ssmtp
After testing this package please stop back here and let us know how it works for you.