Utility to send an email to multiple addresses.
Project description
wmul_emailer
Utility to send an email to multiple addresses. Primarily intended for cli applications. The various fields such as server host, username, etc. are entered at the command line, used to construct a wmul_emailer.EmailSender object, and that object is passed into the main part of the script. The main part of the script can use it as needed to report errors or results without having to worry about the e-mail details.
A cli is provided for testing purposes.
class EmailSender(server_host, port, user_name, password, from_email_address=None, destination_email_addresses=None)
server_host
The hostname or ip address of the smtp server.
port
The port number on which the smtp server resides.
user_name
The username to authenticate with the smtp server.
password
The password to authenticate with the smtp server.
from_email_address=None
The 'from' e-mail address.
destination_email_addresses=None
The e-mail address to which the results should be sent. Must be a list or tuple for multiple addresses, or a str for a single address.
send_email(self, email_body, email_subject, from_email_address=None, destination_email_addresses=None)
email_body
The body of the e-mail to be sent.
email_subject
The subject line of the e-mail to be sent.
from_email_address=None
The 'from' e-mail address, if provided here. If a from_email_address
is not included when calling this method, the one provided to the constructor will be used.
destination_email_addresses=None
The e-mail address to which the results should be sent, if provided here. If destination_email_addresses
are not included when calling this method, the ones provided to the constructor will be used. Must be a list or tuple for multiple addresses, or a str for a single address.
Raises ValueError
if either destination_email_addresses
or from_email_address
are omitted from both the constructor and the call to send_email.
Command-Line Interface
A cli is provided to test that the credentials are functional and that the system can send e-mails.
send_test_email --email destination@example.com --server smtp.example.com --port 25 --username myusername --password mypassword --from_address source@example.com
If everything works, then destination@example.com
will receive an e-mail from source@example.com
with the subject Test e-mail from wmul_emailer
and body This is the test e-mail from wmul_emailer.py. If you are reading this, the software is configured correctly.
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