AuthSMTP is the outgoing SMTP email service for your e-commerce website, mailing list or email application on most current computers and mobile devices. With instant setup, a money back guarantee and very low cost starter accounts you can test and start sending email in minutes with no risk.
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As of October 2025, the mindshare of AuthSMTP in the Cloud Email category
stands at 1.6%, down from 2.1% compared to the previous year, according to calculations based on PeerSpot user engagement data.
