Adding python-benedict, mailchecker

[pmrowla]

Adds recipes for python-benedict and mailchecker (mailchecker is a benedict dependency).

Will resolve the benedict dependency for https://github.com/conda-forge/dvc-feedstock (related: iterative/dvc#4780).

Checklist

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[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/mailchecker, recipes/python-benedict) and found it was in an excellent condition.

[pmrowla]

Pinging @efiop and @shcheklein for confirmation on maintainers lists for these recipes

[fabiocaccamo]

@pmrowla thank you for having added me as maintainer.

[shcheklein]

Thanks, Peter! I confirm.

[efiop]

I confirm 🙂

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/mailchecker, recipes/python-benedict) and found it was in an excellent condition.

I do have some suggestions for making it better though...

For recipes/mailchecker:

• noarch: python recipes are recommended to have a lower bound on the python version. This recommendation will become a requirement in the future.

For recipes/python-benedict:

• noarch: python recipes are recommended to have a lower bound on the python version. This recommendation will become a requirement in the future.

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/mailchecker, recipes/python-benedict) and found it was in an excellent condition.