Authentication type to use, see https://api.rubyonrails.org/classes/ActionMailer/Base.html.
Declarations
Type
null or one of "plain", "login", "cram_md5"Default
nullAuthentication type to use, see https://api.rubyonrails.org/classes/ActionMailer/Base.html.
null or one of "plain", "login", "cram_md5"null