From: Tomasz S (tommy.sop.pl)
Date: Mon Mar 17 2008 - 18:26:53 CDT

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Hello,

I have a postfix configured with mysql, dovecot as a virtual
transport and sasl authentication.
When I send mail to an alias which is poining at noneexistent user
in database, postfix accepts this and passes to dovecot. Because this
user does not exist dovecot returns error: No such file or directory
but later creates maildir and delivers message.
How can I avod this situation?
Here is my postconf -n
--
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
disable_vrfy_command = yes
fast_flush_domains =
inet_interfaces = all
message_size_limit = 10485760
mydestination = hostname, localhost.localdomain, localhost
myhostname = xxxxx.xxxxx.net
mynetworks = 127.0.0.0/8 192.168.0.0/24
notify_classes = bounce, delay, policy, protocol, resource, software
receive_override_options = no_address_mappings
recipient_delimiter = +
relayhost =
show_user_unknown_table_name = no
smtpd_client_restrictions =
        permit_mynetworks
        permit_sasl_authenticated
        reject_unauth_pipelining
        reject_rbl_client zen.spamhaus.org
        check_policy_service inet:127.0.0.1:60000
smtpd_delay_reject = yes
smtpd_helo_required = yes
smtpd_helo_restrictions =
        reject_unauth_pipelining
        reject_invalid_hostname
        permit
smtpd_recipient_restrictions =
        permit_mynetworks
        permit_sasl_authenticated
        reject_unauth_destination
        check_policy_service unix:private/policy
smtpd_reject_unlisted_sender = yes
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_type = dovecot
smtpd_sender_restrictions =
        reject_unknown_sender_domain
        reject_non_fqdn_sender
virtual_alias_maps = mysql:/etc/postfix/mysql-virtual_alias-maps.cf,
mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_gid_maps = static:5000
virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual_mailbox-domains.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual_mailbox-maps.cf
virtual_transport = dovecot
virtual_uid_maps = static:5000
--

Tomasz

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