56 lines
1.7 KiB
Bash
56 lines
1.7 KiB
Bash
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# Configures a postfix SMTP server.
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sudo DEBIAN_FRONTEND=noninteractive apt-get install -y postfix postgrey
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# TLS configuration
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sudo tools/editconf.py /etc/postfix/main.cf \
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smtpd_tls_auth_only=yes \
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smtp_tls_security_level=may \
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smtp_tls_loglevel=2 \
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smtpd_tls_received_header=yes
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# authorization via dovecot
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sudo tools/editconf.py /etc/postfix/main.cf \
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smtpd_sasl_type=dovecot \
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smtpd_sasl_path=private/auth \
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smtpd_sasl_auth_enable=yes \
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smtpd_recipient_restrictions=permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
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sudo tools/editconf.py /etc/postfix/main.cf mydestination=localhost
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# message delivery is directly to dovecot
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sudo tools/editconf.py /etc/postfix/main.cf virtual_transport=lmtp:unix:private/dovecot-lmtp
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# domain and user table is configured in a Sqlite3 database
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sudo tools/editconf.py /etc/postfix/main.cf \
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virtual_mailbox_domains=sqlite:/etc/postfix/virtual-mailbox-domains.cf \
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virtual_mailbox_maps=sqlite:/etc/postfix/virtual-mailbox-maps.cf \
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virtual_alias_maps=sqlite:/etc/postfix/virtual-alias-maps.cf \
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local_recipient_maps=\$virtual_mailbox_maps
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db_path=/home/ubuntu/storage/mail.sqlite
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sudo su root -c "cat > /etc/postfix/virtual-mailbox-domains.cf" << EOF;
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dbpath=$db_path
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query = SELECT 1 FROM users WHERE email LIKE '@%s'
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EOF
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sudo su root -c "cat > /etc/postfix/virtual-mailbox-maps.cf" << EOF;
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dbpath=$db_path
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query = SELECT 1 FROM users WHERE email='%s'
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EOF
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sudo su root -c "cat > /etc/postfix/virtual-alias-maps.cf" << EOF;
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dbpath=$db_path
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query = SELECT destination FROM aliases WHERE source='%s'
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EOF
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# re-start postfix
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sudo service postfix restart
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# allow ports in the firewall
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sudo ufw allow smtpd
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sudo ufw allow submission
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