Set allauth email subject prefix

[alexkanavos]

Description

As I was working with cookiecutter django on a personal project I encountered an issue with one of the variables handling the email details.

• I've made a small change in production.py file regarding the name of EMAIL_SUBJECT_PREFIX.
• I've NOT updated the documentation, because I didn't want to mess up the srt file (new var name was a bit long).

You can read more on this stackoverflow answer.

[browniebroke]

That will only work for accounts related email though? The current setting is for all emails sent by Django. Does Django-allauth has their own custom logic to send email? Seems a bit surprising that they wouldn't default to Django's setting.

[alexkanavos]

In my project I used mailgun in production, but I tested with mailpit locally as well. I think is an allauth related variable and not a django one.

[browniebroke]

Thanks!