70 lines
2.1 KiB
Docker
70 lines
2.1 KiB
Docker
# NAME leenooks/smtp
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# VERSION latest
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FROM alpine
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# Change to http respositories, so they we can cache the install packages
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RUN if [ -n ${HTTP_PROXY} ] ; then sed -i -e s'/https/http/' /etc/apk/repositories; fi
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RUN apk add --no-cache postfix postfix-ldap cyrus-sasl cyrus-sasl-login opendkim opendkim-utils
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# SASL config
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COPY smtpd.conf /etc/sasl2/
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RUN apk add shadow && useradd -rc "HUB Mail Relay" -M relay -NG mail -s /sbin/nologin && echo relay:SmTpR3l2Y | chpasswd \
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&& gpasswd -a postfix opendkim
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# Config postfix
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RUN sed -i -e 's%^#mynetworks = hash:/etc/postfix/network_table%mynetworks = /etc/opendkim/signing/TrustedHosts%' /etc/postfix/main.cf
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COPY include /etc/postfix/include
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COPY ssl /etc/postfix/ssl
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# Enable DKIM
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RUN mkdir /run/opendkim
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COPY opendkim.conf /etc/opendkim/
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COPY signing /etc/opendkim/signing/
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COPY defaults /defaults/
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COPY init /sbin/
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VOLUME [ "/var/spool/postfix","/etc/postfix/custom","/var/mail/vhosts" ]
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EXPOSE 25
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# Starting
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ENTRYPOINT [ "/sbin/init" ]
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# Control
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#* add require EHLO - DONE
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#* mydestination
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#* ldap hostname via init in where clauses
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#* virtual_alias_domain ? (Dont list in mydestination) OR (for unix accounts - DONT NEED?)
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#* virtual_mailbox_domain (Dont list in mydestination)
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#
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#
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# 1 /etc/postfix/main.cf:
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# 2 virtual_mailbox_domains = example.com ...more domains...
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# 3 virtual_mailbox_base = /var/mail/vhosts
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# 4 virtual_mailbox_maps = hash:/etc/postfix/vmailbox
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# 5 virtual_minimum_uid = 100
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# 6 virtual_uid_maps = static:5000
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# 7 virtual_gid_maps = static:5000
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# 8 virtual_alias_maps = hash:/etc/postfix/virtual
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# 9
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# 10 /etc/postfix/vmailbox:
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# 11 info@example.com example.com/info
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# 12 sales@example.com example.com/sales/
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# 13 # Comment out the entry below to implement a catch-all.
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# 14 # @example.com example.com/catchall
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# 15 ...virtual mailboxes for more domains...
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# 16
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# 17 /etc/postfix/virtual:
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# 18 postmaster@example.com postmaster
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#
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#TEST Environement:
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#* dege.lan - virtual
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#* dege.au - virtual
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#* dlcm.co - virtual
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#* bbs.dege.au - sync
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#* dcml.au - axigen
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