Yes, both Mailgun and Paragon offer a Free Trial.
Mailgun is designed for Large Enterprises, Medium Business and Small Business.
Paragon is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Mailgun and Paragon are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Mailgun includes SMTP, Campaigner and Moosend.
Some top alternatives to Paragon includes Integrately, hotglue, Netcall Liberty Create, Baton, SaaS Integrator, Qualified, Workvivo, Cloud Rebels, SmartConnect, Integry, viIntegrate and OneSaaS.