mirror of
https://blitiri.com.ar/repos/chasquid
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e79586a014
This patch implements support for incoming connections wrapped in the HAProxy protocol v1. This is useful when running chasquid behind a HAProxy server, as it needs the original source IP to perform SPF checks. This patch is a reimplementation of one originally provided by Denys Vitali in pull request #15, except the logic for the protocol handling is moved to a new package, and the smtpsrv.Conn handling of the source IP is simplified. It is marked as experimental for now, since we want to give it a bit more exposure just in case the option/api needs adjustment. Thanks a lot to Denys Vitali (@denysvitali in github) for sending the original patch for this, and helping test it!
98 lines
3.5 KiB
Plaintext
98 lines
3.5 KiB
Plaintext
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# Default hostname to use when saying hello.
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# This is used to say hello to clients (for aesthetic purposes), and as the
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# HELO/EHLO domain on outgoing SMTP connections (so ideally it would resolve
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# back to the server, but it isn't a big deal if it doesn't).
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# Default: the system's hostname.
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#hostname: "mx.example.com"
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# Maximum email size, in megabytes.
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# Default: 50.
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#max_data_size_mb: 50
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# Addresses to listen on for SMTP (usually port 25).
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# Default: "systemd", which means systemd passes sockets to us.
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# systemd sockets must be named with "FileDescriptorName=smtp".
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#smtp_address: "systemd"
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#smtp_address: ":25"
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# Addresses to listen on for submission (usually port 587).
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# Default: "systemd", which means systemd passes sockets to us.
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# systemd sockets must be named with "FileDescriptorName=submission".
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#submission_address: "systemd"
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#submission_address: ":587"
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# Address for the monitoring http server.
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# Do NOT expose this to the public internet.
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# Default: no monitoring http server.
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#monitoring_address: "127.0.0.1:1099"
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# Mail delivery agent (MDA, also known as LDA) to use.
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# This should point to the binary to use to deliver email to local users.
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# The content of the email will be passed via stdin.
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# If it exits unsuccessfully, we assume the mail was not delivered.
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# Default: "maildrop".
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#mail_delivery_agent_bin: "maildrop"
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# Command line arguments for the mail delivery agent. One per argument.
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# Some replacements will be done.
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# On an email sent from marsnik@mars to venera@venus:
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# - %from% -> from address (marsnik@mars)
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# - %from_user% -> from user (marsnik)
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# - %from_domain% -> from domain (mars)
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# - %to% -> to address (venera@venus)
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# - %to_user% -> to user (venera)
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# - %to_domain% -> to domain (venus)
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#
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# Default: "-f", "%from%", "-d", "%to_user%" (adequate for procmail and
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# maildrop).
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#mail_delivery_agent_args: "-f"
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#mail_delivery_agent_args: "%from%"
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#mail_delivery_agent_args: "-d"
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#mail_delivery_agent_args: "%to_user%"
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# Directory where we store our persistent data.
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# Default: "/var/lib/chasquid"
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#data_dir: "/var/lib/chasquid"
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# Suffix separator, to perform suffix removal of local users.
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# For example, if you set this to "-+", email to local user
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# "user-blah" and "user+blah" will be delivered to "user".
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# Including "+" is strongly encouraged, as it is assumed for email
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# forwarding.
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# Default: "+".
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#suffix_separators: "+"
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# Characters to drop from the user part on local emails.
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# For example, if you set this to "._", email to local user
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# "u.se_r" will be delivered to "user".
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# Default: ".".
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#drop_characters: "."
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# Path where to write the mail log to.
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# If "<syslog>", log using the syslog (at MAIL|INFO priority).
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# If "<stdout>", log to stdout; if "<stderr>", log to stderr.
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# Default: <syslog>
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#mail_log_path: "<syslog>"
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# Enable dovecot authentication.
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# If set to true, users not found in chasquid's user databases will be
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# authenticated via dovecot.
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# Default: false
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#dovecot_auth: false
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# Dovecot userdb and client socket paths.
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# Most of the time this is not needed, as chasquid will auto-detect their
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# location by searching standard paths.
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# Default: "" (autodetect)
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#dovecot_userdb_path: ""
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#dovecot_client_path: ""
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# Expect incoming SMTP connections to use the HAProxy protocol.
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# EXPERIMENTAL - Might change in backwards-incompatible ways.
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# If set to true, this allows deploying chasquid behind a HAProxy server, as
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# the address information is preserved, and SPF checks can be performed
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# properly.
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# Default: false
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#haproxy_incoming: false
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