18 Commits

Author SHA1 Message Date
Sunil Mohan Adapa
7e761c91ea
email: Fix userdb lookups with LDAP
Without the base attribute set, LDAP search returns no results and because of
the lookup failure LMTP will not be able to deliver message even though postfix
has successfully received the messages.

Tests:

- On a fresh container, send a message to a local user using roundcube. The user
should receive the message successfully.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-05-09 21:06:56 -04:00
Sunil Mohan Adapa
9d4ae972e9
email: Revert to LDAP auth as pam does not allow non-admin users
Since FreedomBox does not allow any users but those belonging to 'admin' group
to login, using passwd driver for auth means that only admin can login to
postfix/dovecot. Fix this by reverting to using LDAP driver.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:39:08 -05:00
Sunil Mohan Adapa
56f95ddf97
email: rspamd: Log to journald via syslog
Unified querying, reduce random writes for SD cards, eliminate need for separate
log rotation.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:39:06 -05:00
Sunil Mohan Adapa
3d15ebd436
email: postfix: Fix priority for authentication directives
Otherwise, the default directives in 10-auth.conf take higher priority.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:38:55 -05:00
Sunil Mohan Adapa
828cc73320
email: Add various documentation links for future readability
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:38:53 -05:00
Sunil Mohan Adapa
9d0d7e586c
email: aliases: Drop ability to enable/disable aliases
- There is no use case for keeping an alias disabled.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:38:22 -05:00
Sunil Mohan Adapa
60822f7198
email: Enable as an advanced app
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:38:19 -05:00
Sunil Mohan Adapa
1bc576387e
email: Minor indentation and docstring changes
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:38:10 -05:00
Sunil Mohan Adapa
60d137a537
email: Remove override for local addresses
- The default, which is to trust local LAN IPs is good enough for FreedomBox use
case.

- This allows skipping some checks like DKIM for mails originating from local
networks which are not expected to have proper signatures.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:56 -05:00
Sunil Mohan Adapa
0d5366a356
email: Drop special handling for outbound filtering
- Reduces a lot of complexity and avoids running a couple of more postfix
daemons (one on 10025 port and other on socket fbxcleanup).

- Cleaning outbound headers for privacy can be done in a simpler way. This may
be re-implemented later.

- Masquerading domains is not very important for FreedomBox use case. Users are
expected to send all mail using MUA using properly configured email addresses.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:53 -05:00
Sunil Mohan Adapa
84f7b60bc5
email: Drop special handling for reserved TLDs
There is no special reason to handle them separately instead of letting DNS
resolution to them fail. No documentation on what caret addresses are or what
.fm.localhost TLD is.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:50 -05:00
Sunil Mohan Adapa
75ec7c5a5a
email: Add more special-use IMAP folders, set autoexpunge to 60days
A mail client should not create these special folders if they see existing
folders with the special-use flag set on them. However, if a mail clients does
create a folder and does not set special-use folder, the server will set the
flag so that all other mail clients can see the flag.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:45 -05:00
Sunil Mohan Adapa
9710369949
email: Narrowly match just rspamd's spam header
There is no need to match generically for flags that are possibly generated by
other spam software. Allow other rules to run after filing into Junk folder.
Allow other sieve filter to be present in the FreedomBox configuration directory.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:42 -05:00
Sunil Mohan Adapa
ae8dd4ec7f
email: Depend on and run redis server
Many modules in rspamd including the bayes built-in module depend on
redis-server. Install, run and configure redis-server.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:36 -05:00
Sunil Mohan Adapa
fd9e1927e5
email: Simplify modifying headers proxied to rspamd web UI
There is no need to remove many headers explicitly after doing ProxyAddHeaders
off. If those headers are set by the client, that will merely result in an
unnecessary password dialog.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:34 -05:00
Sunil Mohan Adapa
b3a04ebce9
email: Drop unused Apache include freedombox-robots.conf
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:31 -05:00
Sunil Mohan Adapa
6e2c24c9e4
email: rspamd: Simplify installing configuration
Existing implementation expects configuration files installed by FreedomBox to
be edited at the top and the bottom. When re-installing, it tries to keep the
edited parts while reinstalling the FreedomBox managed section in the middle to
be overwritten with (new) FreedomBox defaults.

Instead, simply ship the two files to rspamd configuration directories. These
can be easily overridden by the user if they desire due to flexible
configuration file priorities by rspamd.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:37:01 -05:00
Sunil Mohan Adapa
32737a16ed
email: Rename app from email_server to email
For simplicity and consistency. Eliminate '_' in the name.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-03-02 07:36:40 -05:00