MailTag offers Free Trial, but SMTP does not.
SMTP is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
MailTag is designed for Medium Business and Small Business.
Pricing details for both SMTP and MailTag are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to SMTP includes Campaigner and Moosend.
Some top alternatives to MailTag includes SMTP, Campaigner and Moosend.