Picked and fixed from https://github.com/RailsPlay/mail_safe/commit/dbd7d9be2888ce4b71fc810fba2830db4e9fed2c Make #developer_email_address return nil if blank
Picked and fixed from https://github.com/RailsPlay/mail_safe/commit/dbd7d9be2888ce4b71fc810fba2830db4e9fed2c
Make #developer_email_address return nil if blank

myronmarston/mail_safe