public async Task <string> RenderAsync <T>(Mailable <T> mailable) => await mailable.RenderAsync(null, this);
public Task <string> RenderAsync <T>(Mailable <T> mailable) => mailable.RenderAsync(this._renderer, this);
public async Task <string> RenderAsync <T>(Mailable <T> mailable) { return(await mailable.RenderAsync(this._renderer, this)); }