Options for replying to email with API
t() :: %MailSlurpAPI.Model.ReplyToEmailOptions{ attachments: [String.t()] | nil, body: String.t() | nil, charset: String.t() | nil, from: String.t() | nil, isHTML: boolean() | nil, replyTo: String.t() | nil, sendStrategy: String.t() | nil, template: String.t() | nil, templateVariables: Map | nil }