SMTPeter alternatives

SMTPeter is a proprietary app for Online. It is a paid product (subscription $50–1000). Developed by Copernica.

Alternatives

• Mailchimp
• Sendgrid
• Mailgun
• Klaviyo
• SMTP.com
• turboSMTP
• Mailjet
• Audienceful
• Groupmail
• Elastic Email
• Yournotify
• Mailhardener