SMTP Alternatives

    SMTP is described as 'provides scalable affordable email infrastructure for all your sending needs. We act as your proxy to the ISP world so your traffic becomes part of our larger, “trusted” traffic flow' and is an website in the Business & Commerce category. There are more than 25 alternatives to SMTP, not only websites but also apps for a variety of platforms, including SaaS, Windows, iPhone and iPad. The best alternative is Mailchimp, which is free. Other great sites and apps similar to SMTP are Sendgrid (Freemium), Mailgun (Paid), Mailjet (Freemium) and Elastic Email (Paid).

    This page was last updated May 24, 2021

    1. CritSend's full SMTP relay service and API ensures inbox delivery for your transactional mails. Never worry about email compliance, deliverability, IP reputation or blacklisting. Free email service from CritSend.
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    2. Klaviyo provides enterprise ecommerce marketing for everyone. It's a feature-rich platform with a massive list of integrations for everything from Amazon marketplace and Shopify to Facebook Ads, ZOHO and Zendesk.
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