Mailchimp Transactional is simple, powerful transactional email.
Email the current creative proof and log the revision on the card.
Your reviewer gets the current image or PDF and a clear question. Your review card shows which revision you sent.
Email the current proof to its reviewer with a clear decision deadline.
Your reviewer gets the current proof and a clear decision deadline by email when a card is ready for review.
Email the original maker the proof version and fixes due next.
Your maker gets a rework email that names the reviewed proof and fixes due next.