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Last pushed: 7 months ago
Short Description
Sendmail replacement using MQ/Celery/Python to relay mail asynchronously
Full Description

MailMQ

sendmail like mail-relaying via MQ.

When working with PHP and transaction email services, there's the super useful
ssmtp, which works great, except that ssmtp is synchronous and if your
mail relay is slow, it will slow your entire web request down.

Enter mailmq, which does the same thing, but via a producer-consumer model.
You run an AMQP service, e.g. RabbitMQ, and a Celery worker that runs
mailmq.server and then you can use mailmq.client to send email
asynchronously.

The server is designed for Docker, so all configuration happens via the
environment.

Server

Via Docker:

docker-compose up

Or directly:

CELERY_BROKER=localhost SMTP_HOST=mail celery -A mailmq.server worker

The following environment variables are supported:

  • CELERY_BROKER - AMQP broker (required)
  • SMTP_HOST - destination SMTP server host (required)
  • SMTP_PORT - destination SMTP server port
  • SMTP_USER - user for SMTP auth
  • SMTP_PASS - password for SMTP auth
  • MAIL_FROM - default sender (strongly recommended)

Client

Designed to have the same command line arguments as sendmail.

From pip:

pip install mailmq

With source:

python setup.py install
CELERY_BROKER=amqp mailmq -t << EOF
From: badger@badger.com
To: badger@badger.com
Subject: badger

Badger!
EOF

Or without installing:

CELERY_BROKER=localhost python -m mailmq.client badger@example.com

The following environment variables are supported:

  • CELERY_BROKER - AMQP broker (required)

Add the following to your php.ini to use with PHP:

sendmail_path = "mailmq -t"

Running Tests Locally

  • Install PHPUnit, with an appropriate version of PHP also installed
    and available locally.
  • Make python3 available. you might have to use virtualenv to do this.
    e.g. mkvirtualenv --python=python3 .
  • Install celery locally with pip install -r requirements.txt
  • ./tests/run.sh - this starts up the required docker containers,
    configures PHP to use mailmq for sending email, then runs the phpunit
    tests defined in /tests

License

MIT license.

Copyright (c) 2016, Squareweave hello@squareweave.com.au

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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