clean_days

Lifetime of an message that is not to be archived in days. Applies to messages with archive flag disabled or error messages. Default is 30 days.

db_connection

A connection string to database. See https://docs.sqlalchemy.org/core/engines.html#database-urls for possible values. Default is sqlite:///:memory:.

db_echo

Whether to log SQL statements. Default is False.

delivery_backend

Dotted path to a backend used for processing e-mail message delivery. Default is messenger.delivery.email.ImapDelivery.

delivery_options

Dictionary with options for the delivery backend. Default is empty.

fileman_netloc

Network location, i.e. host and port, of a fileman service. Default is None, i.e. fileman disabled. Emails with attachments will not be send.

fred_db_connection

A connection string to FRED database for mail archive migration. See https://docs.sqlalchemy.org/core/engines.html#database-urls for possible values. Default is None, which causes error when running migration.

logging

Logging configuration, see https://docs.python.org/3.8/library/logging.config.html for possible values. Default is None, i.e. use logging defaults.

grpc_max_workers

The maximum number of workers for gRPC server, see https://docs.python.org/3/library/concurrent.futures.html#concurrent.futures.ThreadPoolExecutor. Default is None, i.e. use Python library default.

grpc_maximum_concurrent_rpcs

The maximum number of concurrent RPCs this server will service, see http://grpc.github.io/grpc/python/grpc.html#grpc.server. Default is None, i.e. no limit.

grpc_options

Custom options for a gRPC server. Valid value is a list of key-value pairs. Default is None, i.e. use gRPC defaults.

grpc_port

Port to which the messenger gRPC service will bind and listen. Default is 50051.

monitoring_email

An email address which is excluded from migrations of emails in migrate_archive command. Default is None, i.e. migrate all emails.

msgid_domain

Domain portion of generated Message-ID. Default is None, i.e. the local hostname.

processors

Default is empty.

Definition of message processors in a complex structure. The setting maps transport method to a list of processor settings. Each processor setting has to define class with dotted path to a processor class used and optionally keyword arguments for the processor. Example:

processors:
    email:
        - class: messenger.processors.VcardEmailProcessor
          data: "VCARD_DATA"

By default, no processors are defined.

senders

Definition of message senders in a complex structure. The highest level maps transport method to senders. Medium level maps sender alias to its settings. Inner level contains a backend settings:

• backend contains dotted path to a backend. This setting is required.

• filters contain a filter settings, see below.

• options contains mapping of backend specific options.

Example:

senders:
    smtp:
        backend: messenger.backends.email.SmtpBackend
        options:
            host: red-dwarf.example.org
            default_from: holly@example.org

By default, no senders are defined.

filters:
    - class: red.dwarf.IgnoreFilter
      ignore: Rimmer

sentry

Sentry settings in a nested structure. May contain following keys:

• dsn contains data source name (DSN), see https://docs.sentry.io/product/sentry-basics/dsn-explainer/. If not provided, Sentry client is not set up.

• environment may contain an environment identifier.

• ca_certs may contain a path to CA certificates file.

test_db_connection

A connection string to database to be used in tests. See https://docs.sqlalchemy.org/core/engines.html#database-urls for possible values. Default is sqlite:///:memory:.

0.5.4 (2023-02-08)

• Fix emails with multiple recipients (#87).

• Fix signatures on multipart alternative emails (#88).

• Fix bugs in send-message script.

0.5.3 (2023-01-26)

• Prevent sending one message multiple times (#84).

• Fix email To header (#85).

• Fix typing and flake8.

0.5.2 (2022-07-25)

• Always convert DSN values to string (#79).

0.5.1 (2022-06-28)

• Optimize email search in delivery (#76).

0.5.0 (2022-06-20)

• Replace EasySettings with pydantic (#33).

• Use API 1.3 (#70).

• Add a folder option to email delivery (#57).

• Fix delivery for rfc822 MIME type (#60).

• Skip autosubmitted emails in delivery processing (#62).

• Add an option to skip delivered emails (#63).

• Improve delivery processing (#42, #75).

• Switch reference types (#69, #72).

• Add Result utility (#58).

• Add an option to disable certificate verification (#59).

• Add secretary token (#64).

• Add sender specific processors (#66).

• Add email headers processor (#65).

• Add options for server limits (#48).

• Fix SQLAlchemy 2.0 deprecation warnings (#68).

• Mark ScalarListType cacheable (#71).

• Resolve frgal warnings (#74).

• Flush objects at the end of session in tests (#30).

• Update project setup.

0.4.0 (2022-04-06)

• Switch to API 1.2 (#50).

• Add multi_send to email servicer (#51).

• Add batch send to email servicer (#53).

• Add a resend script.

0.3.1 (2022-03-28)

• Set MIME-Version header on S/MIME emails (#49).

0.3.0 (2022-03-03)

• Use new UID format (#43).

• Refactor S/MIME signatures to use cryptography (#31).

• Shorten a length of an Email string representation (#14).

• Log summaries of operations (#10).

• Add script to send a message.

• Add test utils for commands (#24).

• Fix manual page for archive (#28).

• Increase coverage.

• Make mypy more strict and fix annotations.

• Update project setup.

• Add issue template.

0.2.2 (2022-02-23)

• Send messages using round-robin by type (#32).

• Expect non-multipart email in delivery (#36).

• Expect headers of undelivered message (#37).

• Handle exceptions in delivery processing (#38).

0.2.1 (2022-01-20)

• Delete references on clean (#29).

0.2.0 (2022-01-12)

• Add support for python 3.10.

• Drop support for python 3.6.

• Drop support for SQLAlchemy 1.3 (#7). * Replace deprecated has_table method.

• Fix comments on address country (#2).

• Drop SmsMessage.msisdn (#5).

• Fix section of man pages (#12).

• Add gRPC reflection (#1).

• Enable multiple --type options (#19).

• Support undelivered messages in backends (#21).

• Fail on defect in recipient’s email address (#23).

• Add --from and --to to archive command (#22).

• Add --format to monitor command (#25).

• Rename load_instance args (#26).

• Rename type to method in code (#27).

• Update static checks.

0.1.0 (2021-12-13)

Initial version.

• Support emails, SMS and letters.

• Include message archive.

• Include migration of FRED message archives.

• Support blocked addresses.

• Provides email senders and delivery checks.

• SMS and letter senders are supported, but no particular backends are implemented.