Postal is described as 'The open source mail server - Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready for you to run on your own servers' and is an app in the business & commerce category. There are more than 10 alternatives to Postal for a variety of platforms, including Web-based, Self-Hosted, SaaS, Docker and Mac apps. The best Postal alternative is useSend, which is both free and Open Source. Other great apps like Postal are Mailgun, Sendgrid, Resend.com and Postmark.
Open-source email platform for transactional, marketing, and product messaging via REST API, SMTP relay, or SDKs, featuring campaign editor, list and domain management, analytics, webhooks, template support, suppression lists, and flexible hosting options.
Mailgun is email automation for developers. Use our REST APIs to effortlessly send, receive and track email from your website or application.
Scalable email delivery for transactional email SendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve higher deliverability. SendGrid integrates in minutes by just changing three SMTP settings.
Build, test, and send transactional emails at scale. Resend provides the best developer experience helping you reach users instead of spam folders.
Postmark is a fast and reliable transactional email service. Send with Postmark to ensure your transactional emails get to the inbox on time, every time.
Sweego is an email and SMS sending platform for developers and builders. Send your message in minutes and monitor it easily.
API-based solution for transactional emails that is enabled to be integrated into any website or CRM system effortlessly.
The cost-efficient SMTP server provider for all your email marketing needs that ensures optimal and fast email delivery by reaching email directly into your customer’s inbox.
Cuttlefish offers basic bounce email handling, ensuring you maintain your good mail reputation by not resending to bounced addresses.
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