Some log data as requested.
2015-07-01 13:03:37 DEBUG Connect from 127.0.0.1, port 42225.
2015-07-01 13:03:37 DEBUG smtp session: request=smtpd_access_policy
2015-07-01 13:03:37 DEBUG smtp session: protocol_state=RCPT
2015-07-01 13:03:37 DEBUG smtp session: protocol_name=ESMTP
2015-07-01 13:03:37 DEBUG smtp session: client_address=127.0.0.1
2015-07-01 13:03:37 DEBUG smtp session: client_name=mail.domain.name
2015-07-01 13:03:37 DEBUG smtp session: reverse_client_name=mail.domain.name
2015-07-01 13:03:37 DEBUG smtp session: helo_name=_
2015-07-01 13:03:37 DEBUG smtp session: sender=postmaster@domain.name
2015-07-01 13:03:37 DEBUG smtp session: recipient=some.user.account@gmail.com
2015-07-01 13:03:37 DEBUG smtp session: recipient_count=0
2015-07-01 13:03:37 DEBUG smtp session: queue_id=
2015-07-01 13:03:37 DEBUG smtp session: instance=88b.55941d69.29f19.0
2015-07-01 13:03:37 DEBUG smtp session: size=0
2015-07-01 13:03:37 DEBUG smtp session: etrn_domain=
2015-07-01 13:03:37 DEBUG smtp session: stress=
2015-07-01 13:03:37 DEBUG smtp session: sasl_method=LOGIN
2015-07-01 13:03:37 DEBUG smtp session: sasl_username=postmaster@domain.name
2015-07-01 13:03:37 DEBUG smtp session: sasl_sender=
2015-07-01 13:03:37 DEBUG smtp session: ccert_subject=
2015-07-01 13:03:37 DEBUG smtp session: ccert_issuer=
2015-07-01 13:03:37 DEBUG smtp session: ccert_fingerprint=
2015-07-01 13:03:37 DEBUG smtp session: ccert_pubkey_fingerprint=
2015-07-01 13:03:37 DEBUG smtp session: encryption_protocol=TLSv1
2015-07-01 13:03:37 DEBUG smtp session: encryption_cipher=ECDHE-RSA-AES256-SHA
2015-07-01 13:03:37 DEBUG smtp session: encryption_keysize=256
2015-07-01 13:03:37 DEBUG --> Apply plugin: reject_null_sender
2015-07-01 13:03:37 DEBUG <-- Result: DUNNO
2015-07-01 13:03:37 DEBUG Skip plugin: amavisd_message_size_limit (protocol_state != RCPT)
2015-07-01 13:03:37 DEBUG --> Apply plugin: amavisd_wblist
2015-07-01 13:03:37 DEBUG Possible policy senders: ['@.', 'postmaster@domain.name', '@domain.name', '@.domain.name', '@name', '@.name', '127.0.0.1', '127.*.0.1', '127.*.*.*', '*.*.*.1', '127.0.0.*', '*.*.0.1', '*.0.0.1', '127.0.*.1', '*.*.*.*', '127.*.*.1', '127.0.*.*']
2015-07-01 13:03:37 DEBUG Possible policy recipients: ['@.', 'some.user.account@gmail.com', '@gmail.com', '@.gmail.com', '@com', '@.com', 'some.user.account@*']
2015-07-01 13:03:37 DEBUG SQL: Get policy senders: SELECT id,email FROM mailaddr WHERE email IN ('@.', 'postmaster@domain.name', '@domain.name', '@.domain.name', '@name', '@.name', '127.0.0.1', '127.*.0.1', '127.*.*.*', '*.*.*.1', '127.0.0.*', '*.*.0.1', '*.0.0.1', '127.0.*.1', '*.*.*.*', '127.*.*.1', '127.0.*.*') ORDER BY priority DESC
2015-07-01 13:03:37 DEBUG No senders found in SQL database.
2015-07-01 13:03:37 DEBUG <-- Result: DUNNO
2015-07-01 13:03:37 DEBUG --> Apply plugin: sql_alias_access_policy
2015-07-01 13:03:37 DEBUG SQL: query access policy: SELECT accesspolicy, goto, moderators
FROM alias
WHERE
address='some.user.account@gmail.com'
AND address <> goto
AND active=1
LIMIT 1
2015-07-01 13:03:37 DEBUG SQL: record: None
2015-07-01 13:03:37 DEBUG <-- Result: DUNNO (Not a mail alias account)
2015-07-01 13:03:37 INFO [127.0.0.1] RCPT, postmaster@domain.name -> some.user.account@gmail.com, DUNNO
2015-07-01 13:03:37 DEBUG Session ended
2015-07-01 13:03:37 DEBUG smtp session: request=smtpd_access_policy
2015-07-01 13:03:37 DEBUG smtp session: protocol_state=END-OF-MESSAGE
2015-07-01 13:03:37 DEBUG smtp session: protocol_name=ESMTP
2015-07-01 13:03:37 DEBUG smtp session: client_address=127.0.0.1
2015-07-01 13:03:37 DEBUG smtp session: client_name=mail.host.name.tld
2015-07-01 13:03:37 DEBUG smtp session: reverse_client_name=mail.host.name.tld
2015-07-01 13:03:37 DEBUG smtp session: helo_name=_
2015-07-01 13:03:37 DEBUG smtp session: sender=postmaster@domain.name
2015-07-01 13:03:37 DEBUG smtp session: recipient=some.user.account@gmail.com
2015-07-01 13:03:37 DEBUG smtp session: recipient_count=1
2015-07-01 13:03:37 DEBUG smtp session: queue_id=641B441DF14
2015-07-01 13:03:37 DEBUG smtp session: instance=88b.55941d69.29f19.0
2015-07-01 13:03:37 DEBUG smtp session: size=370
2015-07-01 13:03:37 DEBUG smtp session: etrn_domain=
2015-07-01 13:03:37 DEBUG smtp session: stress=
2015-07-01 13:03:37 DEBUG smtp session: sasl_method=LOGIN
2015-07-01 13:03:37 DEBUG smtp session: sasl_username=postmaster@domain.name
2015-07-01 13:03:37 DEBUG smtp session: sasl_sender=
2015-07-01 13:03:37 DEBUG smtp session: ccert_subject=
2015-07-01 13:03:37 DEBUG smtp session: ccert_issuer=
2015-07-01 13:03:37 DEBUG smtp session: ccert_fingerprint=
2015-07-01 13:03:37 DEBUG smtp session: ccert_pubkey_fingerprint=
2015-07-01 13:03:37 DEBUG smtp session: encryption_protocol=TLSv1
2015-07-01 13:03:37 DEBUG smtp session: encryption_cipher=ECDHE-RSA-AES256-SHA
2015-07-01 13:03:37 DEBUG smtp session: encryption_keysize=256
2015-07-01 13:03:37 DEBUG Skip plugin: reject_null_sender (protocol_state != END-OF-MESSAGE)
2015-07-01 13:03:37 DEBUG --> Apply plugin: amavisd_message_size_limit
2015-07-01 13:03:37 DEBUG Message size: 370
2015-07-01 13:03:37 DEBUG Getting applicable policies
2015-07-01 13:03:37 DEBUG Valid policy accounts for recipient some.user.account@gmail.com: 'some.user.account@gmail.com', '@gmail.com', '@.gmail.com', '@.'
2015-07-01 13:03:37 DEBUG SELECT policy_name,message_size_limit
FROM users, policy
WHERE
(users.policy_id=policy.id)
AND (users.email IN ('some.user.account@gmail.com', '@gmail.com', '@.gmail.com', '@.'))
ORDER BY users.priority DESC
2015-07-01 13:03:37 DEBUG No policy found.
2015-07-01 13:03:37 DEBUG <-- Result: DUNNO
2015-07-01 13:03:37 DEBUG Skip plugin: amavisd_wblist (protocol_state != END-OF-MESSAGE)
2015-07-01 13:03:37 DEBUG Skip plugin: sql_alias_access_policy (protocol_state != END-OF-MESSAGE)
2015-07-01 13:03:37 INFO [127.0.0.1] END-OF-MESSAGE, postmaster@domain.name -> some.user.account@gmail.com, DUNNO
2015-07-01 13:03:37 DEBUG Session ended