SMTP

Introduction

The SMTP Extension includes the SMTPMailHandler, and provides the ability for applications to send email via standard SMTP.

Documentation References:

API References:

Requirements

  • No external depencies

Configuration

Application Configuration Settings

This extension supports the following configuration settings under a [mail.smtp] configuration section:

Setting

Description

to

Default recipient address (list, or comma separated depending on the config handler in use).

from_addr

Default sender address

cc

Default carbon-copy addresses (list, or comma separated depending on the config handler in use)

bcc

Default blind-carbon-copy addresses (list, or comma separated depending on the config handler in use)

subject

Default subject line

subject_prefix

Additional string to prepend to the subject line of all messages

host

The SMTP host server address. Default: localhost

port

The SMTP host server port. Default: 25

timeout

The timeout in seconds before terminating a connection. Default: 30

ssl

Whether to initiate SSL or not. Default: False

tls

Whether to use TLS or not (requires SSL). Default: False

auth

Whether or not to initiate SMTP authentication. Default: False

username

SMTP authentication username. Default: None

password

SMTP authentication password. Default: None

Usage

myapp.py
from cement import App

class MyApp(App):
    class Meta:
        label = 'myapp'
        mail_handler = 'smtp'

with MyApp() as app:
    app.run()
    
    # send a message
    app.mail.send('This is my fake message',
        subject='This is my subject',
        to=['john@example.com', 'rita@example.com'],
        from_addr='me@example.com',
    )
    
    # send text/html message
    app.mail.send(("message", "<body>message</body>"),
        subject='This is my subject',
        to=['john@example.com'],
        from_addr='me@example.com',
    )
    
    # send file attachments
    app.mail.send("message", 
        subject='This is my subject',
        to=['john@example.com'],
        from_addr='me@example.com',
        files=['/path/to/file.ext']
    )
~/.myapp.conf
[myapp]

# set the mail handler to use
mail_handler = smtp


[mail.smtp]

# default to addresses (comma separated list)
to = me@example.com

# default from address
from = someone_else@example.com

# default cc addresses (comma separated list)
cc = jane@example.com, rita@example.com

# default bcc addresses (comma separated list)
bcc = blackhole@example.com, someone_else@example.com

# default subject
subject = This is The Default Subject

# additional prefix to prepend to the subject
subject_prefix = MY PREFIX >

# smtp host server
host = localhost

# smtp host port
port = 465

# timeout in seconds
timeout = 30

# whether or not to establish an ssl connection
ssl = true

# whether or not to use start tls
tls = true

# whether or not to initiate smtp auth
auth = true

# smtp auth username
username = john.doe

# smtp auth password
password = oober_secure_password

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