Hello
I have stetup dspam with postfix using this configuration described here:
http://www.kirya.net/articles/setting-up-dspam-as-a-filter-for-postfix-on-debian/
I use virtual_alias_maps = hash:/etc/postfix/virtual for virtual users.
Now I have an problem when I specify an user in the virtual file that
dose not have an local account then
emails get duplicated to all recipients.
Ex.
# example.com virtual domain mail users.
example.com anything
us...@example.com user1
i...@example.com user1, some-u...@gmail.com,
some-other-u...@gmail.com
So what happens if someone form out side sends an email to
i...@example.com then all recipients will get six emails of the same email.
If I put the some-u...@gmail.com, some-other-u...@gmail.com in an
.forward file then it works ok.
Dose it has something to do with how postfix expands the virtual users
when they are not local?
The dspam specific configuration looks like this.
master.cf
# Spam filtering with dspam.
dspam unix - n n - - pipe
flags=Ru user=dspam argv=/usr/bin/dspam --client --deliver=innocent
--user ${original_recipient} --mail-from=${sender}
dspam-retrain unix - n n - - pipe
flags=Rhq user=dspam argv=/usr/bin/dspam --client --mode=teft
--class=$nexthop --source=error --user ${sender}
localhost:10027 inet n - n - - smtpd
-o content_filter=
-o
receive_override_options=no_unknown_recipient_checks,no_header_body_checks
-o smtpd_helo_restrictions=
-o smtpd_client_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o mynetworks=127.0.0.0/8
-o smtpd_authorized_xforward_hosts=127.0.0.0/8
main.cf
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
virtual_alias_maps = hash:/etc/postfix/virtual
transport_maps = hash:/etc/postfix/transports
smtpd_recipient_restrictions =
reject_invalid_hostname,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unknown_sender_domain,
reject_unknown_recipient_domain,
reject_unauth_pipelining,
permit_mynetworks,
permit_sasl_authenticated,
reject_unauth_destination,
reject_rbl_client blackholes.easynet.nl,
reject_rbl_client cbl.abuseat.org,
reject_rbl_client proxies.blackholes.wirehub.net,
reject_rbl_client bl.spamcop.net,
reject_rbl_client zen.spamhaus.org,
reject_rbl_client dnsbl.njabl.org,
reject_rbl_client dnsbl.dronebl.org,
check_policy_service inet:127.0.0.1:10023,
check_recipient_access pcre:/etc/postfix/dspam_check_aliases,
check_sender_access pcre:/etc/postfix/dspam_check_aliases,
check_client_access pcre:/etc/postfix/dspam_filter_access,
permit
dspam_destination_recipient_limit = 1
dspam.conf
DeliveryHost 127.0.0.1
DeliveryPort 10027
DeliveryIdent localhost
DeliveryProto SMTP
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