My config:

# sasl config
smtpd_sasl_path = smtpd
broken_sasl_auth_clients = yes
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_authenticated_header = yes
smtpd_sasl_security_options = noanonymous

smtpd_sender_restrictions =
  permit_mynetworks,
  permit_sasl_authenticated,
  reject_unauth_destination,
  reject_unauth_pipelining,
  reject_rbl_client opm.blitzed.org,
  reject_rbl_client list.dsbl.org,
  reject_rbl_client bl.spamcop.net,
  reject_rbl_client sbl-xbl.spamhaus.org
# tls config
smtp_use_tls = yes
smtpd_use_tls = yes
smtp_tls_note_starttls_offer = yes
smtpd_tls_key_file = /usr/local/etc/postfix/ssl/smtpd.pem
smtpd_tls_cert_file = /usr/local/etc/postfix/ssl/smtpd.pem
smtpd_tls_CAfile = /usr/local/etc/postfix/ssl/smtpd.pem
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
tls_random_source = dev:/dev/urandom

#smtpd_recipient_restrictions =
#       permit_mynetworks
#       reject_unauth_destination
#       check_recipient_access pcre:/usr/local/etc/postfix/dspam_incoming
#       permit




My Log File Entry:

Oct  9 14:18:04 bulldog postfix/smtpd[72690]: warning: 70.91.218.169: hostname 70-91-218-169-BusName-NewEngland.hfc.comcastbusiness.net verification failed: hostname nor servname provided, or not known
Oct  9 14:18:04 bulldog postfix/smtpd[72690]: connect from unknown[70.91.218.169]
Oct  9 14:18:05 bulldog postfix/smtpd[72690]: setting up TLS connection from unknown[70.91.218.169]
Oct  9 14:18:05 bulldog postfix/smtpd[72690]: TLS connection established from unknown[70.91.218.169]: TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)
Oct  9 14:18:05 bulldog saslauthd[72653]: rel_accept_lock : released accept lock
Oct  9 14:18:05 bulldog saslauthd[72654]: get_accept_lock : acquired accept lock
Oct  9 14:18:05 bulldog saslauthd[72653]: do_auth         : auth success: [user=simon] [service=smtp] [realm=snosoft.com] [mech=sasldb]
Oct  9 14:18:05 bulldog saslauthd[72653]: do_request      : response: OK
Oct  9 14:18:06 bulldog postfix/smtpd[72690]: NOQUEUE: reject: RCPT from unknown[70.91.218.169]: 454 4.7.1 <simon@snosoft.com>: Relay access denied; from=<adriel@netragard.com> to=<simon@snosoft.com> proto=ESMTP helo=<the-wretched.local>
Oct  9 14:18:11 bulldog postfix/smtpd[72690]: disconnect from unknown[70.91.218.169]