define(`SMART_HOST',`[smtp.strato.de]')dnl
define(`RELAY_MAILER_ARGS', `TCP $h 465')dnl
define(`ESMTP_MAILER_ARGS', `TCP $h 465')dnl
define(`confAUTH_OPTIONS', `A p')dnl
TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
FEATURE(`authinfo',`hash -o /etc/mail/authinfo/auth.db')dnl

AuthInfo: "U:root" "I:me@mydomain.com" "P:mypassword"

echo "Just testing my sendmail relay" | mail -s "Sendmail Relay" somerecipient@email.com

Mar 30 14:35:02 localhost sm-mta[2375]: v2UCKHOT002349: to=<somerecipient@email.com>, ctladdr=<root@localhost.localdomain> (0/0), delay=00:14:45, xdelay=00:02:00, mailer=relay, pri=300405, relay=smtp.strato.de. [81.169.145.133], dsn=4.0.0, stat=Deferred: Connection reset by smtp.strato.de.
Mar 30 14:35:02 localhost sm-mta[2375]: v2UAPG9t014829: to=<somerecipient@email.com>, ctladdr=<root@localhost.localdomain> (0/0), delay=02:09:46, xdelay=00:00:00, mailer=relay, pri=1380405, relay=smtp.strato.de., dsn=4.0.0, stat=Deferred: Connection reset by smtp.strato.de.
Mar 30 14:35:02 localhost sm-mta[2375]: v2UAHJSs014703: to=<somerecipient@email.com>, ctladdr=<root@localhost.localdomain> (0/0), delay=02:17:43, xdelay=00:00:00, mailer=relay, pri=1470405, relay=smtp.strato.de., dsn=4.0.0, stat=Deferred: Connection reset by smtp.strato.de.