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https://github.com/freedombox/FreedomBox.git
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baa44e91a2
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org> Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Configure postix.
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- Configure postfix to use auth and local delivery with dovecot.
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- Start SMTPS and submission services. Setup aliases database.
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See:
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https://doc.dovecot.org/configuration_manual/howto/postfix_and_dovecot_sasl/
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See: https://doc.dovecot.org/configuration_manual/howto/postfix_dovecot_lmtp/
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See: http://www.postfix.org/TLS_README.html
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"""
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from freedombox.actions import privileged
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from .. import postfix as postconf
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default_config = {
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'smtpd_sasl_auth_enable':
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'yes',
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'smtpd_sasl_type':
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'dovecot',
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'smtpd_sasl_path':
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'private/auth',
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'mailbox_transport':
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'lmtp:unix:private/dovecot-lmtp',
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'virtual_transport':
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'lmtp:unix:private/dovecot-lmtp',
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'smtpd_relay_restrictions':
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','.join([
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'permit_sasl_authenticated',
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'defer_unauth_destination',
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]),
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'message_size_limit':
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'102400000',
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}
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submission_options: dict[str, str] = {
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'syslog_name': 'postfix/submission',
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'smtpd_tls_security_level': 'encrypt',
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'smtpd_client_restrictions': 'permit_sasl_authenticated,reject',
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'smtpd_relay_restrictions': 'permit_sasl_authenticated,reject'
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}
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submission_service = postconf.Service(service='submission', type_='inet',
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private='n', unpriv='-', chroot='y',
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wakeup='-', maxproc='-', command='smtpd',
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options=submission_options)
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smtps_options: dict[str, str] = {
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'syslog_name': 'postfix/smtps',
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'smtpd_tls_wrappermode': 'yes',
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'smtpd_sasl_auth_enable': 'yes',
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'smtpd_relay_restrictions': 'permit_sasl_authenticated,reject'
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}
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smtps_service = postconf.Service(service='smtps', type_='inet', private='n',
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unpriv='-', chroot='y', wakeup='-',
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maxproc='-', command='smtpd',
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options=smtps_options)
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SQLITE_ALIASES = 'sqlite:/etc/postfix/freedombox-aliases.cf'
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@privileged
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def setup_postfix():
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"""Configure postfix."""
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postconf.set_config(default_config)
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_setup_submission()
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_setup_alias_maps()
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def _setup_submission():
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"""Update configuration for smtps and smtp-submission."""
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postconf.set_master_config(submission_service)
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postconf.set_master_config(smtps_service)
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def _setup_alias_maps():
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"""Setup alias maps to include an sqlite DB."""
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alias_maps = postconf.get_config(['alias_maps'])['alias_maps']
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alias_maps = alias_maps.replace(',', ' ').split(' ')
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if SQLITE_ALIASES not in alias_maps:
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# Prioritize FreedomBox's sqlite based aliases file over /etc/aliases.
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# Otherwise, the common aliases will be pointing to 'root' instead of
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# first admin user (which is more practical in FreedomBox).
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alias_maps = [SQLITE_ALIASES] + alias_maps
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postconf.set_config({'alias_maps': ' '.join(alias_maps)})
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