How are your enhanced rate limits different from your current rate limits? Upon request, we will give you higher rate limits than our standard defaults. You can read more about our default rate limits here. Related articles What additional customer form factors and mail class options do you have available? Can I track my mail? What happens when I reach a feature limit for my Lob edition? Can I send a letter and check in the same mailing? What are Lob’s business hours of operation?