Directory / Transactional & Delivery
21 products in this lane of the email newsletter software directory. See also our Newsletter Info Blog and research guides.
High-volume, low-cost cloud email sending service.
Managed business email; adjacent to SES ecosystem.
Omnichannel messaging including email (owns SparkPost).
Multi-channel notification infrastructure that orchestrates email and other channels via one API.
Email API and marketing platform with volume pricing.
High-performance MTA and managed email delivery for ISPs and high-volume senders.
Developer email API for transactional and bulk sending.
Mailchimp Transactional (formerly Mandrill).
Enterprise email API and CEP capabilities from Netcore Cloud including former Pepipost tech.
Communications APIs for email sync and send workflows integrated into SaaS products.
Customer messaging platform offering push, in-app, SMS, and email for product teams.
Email API and engagement suite (Pepipost became Netcore).
Open-source mail delivery platform for self-hosted SMTP.
Reliable transactional email with strong deliverability focus.
Modern developer-first transactional email API.
Transactional and marketing email API by Twilio.
Long-running SMTP relay and email delivery service for transactional and bulk outbound mail.
Reliable SMTP relay and email API.
Email delivery and marketing platform.
Email delivery platform now part of Bird.
Zoho transactional email service for application emails with mail agent isolation.