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199 lines
4.1 KiB
Plaintext
199 lines
4.1 KiB
Plaintext
###############
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# General
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###############
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log_path = /dev/stderr
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protocols = imap pop3 lmtp sieve
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postmaster_address = {{ POSTMASTER }}@{{ DOMAIN }}
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hostname = {{ HOSTNAME }}
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mail_plugins = $mail_plugins quota
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submission_host = smtp
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service dict {
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unix_listener dict {
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group = mail
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mode = 0660
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}
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}
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dict {
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sieve = sqlite:/etc/dovecot/pigeonhole-sieve.dict
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}
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###############
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# Mailboxes
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###############
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first_valid_gid = 8
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first_valid_uid = 8
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mail_location = maildir:/mail/%u
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mail_home = /mail/%u
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mail_uid = mail
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mail_gid = mail
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mail_privileged_group = mail
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mail_access_groups = mail
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maildir_stat_dirs = yes
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namespace inbox {
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inbox = yes
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mailbox Trash {
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auto = subscribe
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special_use = \Trash
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}
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mailbox Drafts {
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auto = subscribe
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special_use = \Drafts
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}
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mailbox Sent {
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auto = subscribe
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special_use = \Sent
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}
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mailbox Junk {
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auto = subscribe
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special_use = \Junk
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}
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}
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###############
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# TLS
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###############
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ssl = yes
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ssl_cert = </certs/cert.pem
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ssl_key = </certs/key.pem
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# TLS hardening is based on the following documentation:
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# https://bettercrypto.org/static/applied-crypto-hardening.pdf
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ssl_protocols=!SSLv3 !SSLv2
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ssl_cipher_list = EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA256:EECDH:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!IDEA:!ECDSA:kEDH:CAMELLIA128-SHA:AES128-SHA
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ssl_prefer_server_ciphers = yes
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ssl_dh_parameters_length = 2048
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ssl_options = no_compression
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###############
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# Authentication
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###############
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auth_mechanisms = plain login
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passdb {
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driver = sql
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args = /etc/dovecot/dovecot-sql.conf.ext
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}
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userdb {
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driver = sql
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args = /etc/dovecot/dovecot-sql.conf.ext
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}
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service auth {
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user = dovecot
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unix_listener auth-userdb {
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}
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inet_listener {
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port = 2102
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}
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}
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service auth-worker {
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unix_listener auth-worker {
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user = dovecot
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group = mail
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mode = 0660
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}
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user = mail
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}
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###############
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# IMAP & POP
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###############
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protocol imap {
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mail_plugins = $mail_plugins imap_quota imap_sieve
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}
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protocol pop3 {
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}
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service imap-login {
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inet_listener imap {
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port = 143
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}
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inet_listener imaps {
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port = 993
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}
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}
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###############
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# Delivery
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###############
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protocol lmtp {
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mail_plugins = $mail_plugins sieve
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recipient_delimiter = +
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}
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service lmtp {
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inet_listener lmtp {
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port = 2525
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}
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}
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plugin {
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quota = maildir:User quota
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}
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###############
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# Filtering
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###############
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service managesieve-login {
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inet_listener sieve {
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port = 4190
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}
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}
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service managesieve {
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}
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plugin {
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sieve = file:~/sieve;active=~/.dovecot.sieve
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sieve_plugins = sieve_extdata sieve_imapsieve sieve_extprograms
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sieve_global_extensions = +vnd.dovecot.extdata +spamtest +spamtestplus +vnd.dovecot.execute
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sieve_before = /var/lib/dovecot/before.sieve
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sieve_default = /var/lib/dovecot/default.sieve
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sieve_after = /var/lib/dovecot/after.sieve
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sieve_extdata_dict_uri = proxy::sieve
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# Sieve execute
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sieve_execute_bin_dir = /var/lib/dovecot/bin
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# Send vacation replies even for aliases
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# See the Pigeonhole documentation about warnings: http://wiki2.dovecot.org/Pigeonhole/Sieve/Extensions/Vacation
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# It appears that our implemntation of mail delivery meets criteria of section 4.5
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# from RFC 5230 and that disabling the recipient checks is not an issue here.
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sieve_vacation_dont_check_recipient = yes
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# Include the recipient in vacation replies so that DKIM applies
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sieve_vacation_send_from_recipient = yes
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# extract spam score from
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# X-Spam-Result: .... [<value> / <max_value] ...
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sieve_spamtest_status_type = score
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sieve_spamtest_status_header = X-Spamd-Result: .*\[(-?[[:digit:]]+\.[[:digit:]]+) .*\]
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sieve_spamtest_max_header = X-Spamd-Result: .*\[.* ([[:digit:]]+\.[[:digit:]]+)\]
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# Learn from spam
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imapsieve_mailbox1_name = Junk
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imapsieve_mailbox1_causes = COPY
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imapsieve_mailbox1_before = file:/var/lib/dovecot/report-spam.sieve
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imapsieve_mailbox2_name = *
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imapsieve_mailbox2_from = Junk
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imapsieve_mailbox2_causes = COPY
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imapsieve_mailbox2_before = file:/var/lib/dovecot/report-ham.sieve
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}
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###############
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# Extensions
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###############
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!include_try /overrides/dovecot.conf
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