Neither Selzy nor SMTP offers a free trial.
Selzy is designed for Large Enterprises, Medium Business and Small Business.
SMTP is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Selzy begins at $6/month when yearly, while pricing details for SMTP are unavailable.
Some top alternatives to Selzy includes Campaigner, Moosend, SMTP, Omnisend, Constant Contact, EasySendy, MailChimp, Campaign Monitor, GetResponse, Mailjet, eFlyerMaker, Emma, SmartMailer, StreamSend and SendFox.
Some top alternatives to SMTP includes Campaigner and Moosend.