Mailersend (1000+ TRUSTED)

If the marketing team suddenly wants to send a massive weekly promotional newsletter to 50,000 subscribers, MailerSend is not the tool for the job. It is strictly built for infrastructure/transactional mail. To do marketing newsletters, the team would have to integrate a separate platform (like MailerLite or Beehiiv). The Scale Ceiling:

While it is incredibly affordable for startups, high-volume senders sending millions of emails a month sometimes find that the costs add up quickly or that they run into API rate limits compared to legacy giants. How Buildcamp Optimizes Transactional Email With MailerSend mailersend

MailerSend: A Deep Dive into the Developer-First Transactional Email Service If the marketing team suddenly wants to send