MailGenius
Free Email Spam Checker & Testing Tool.
Best MailGenius Alternatives & Competitors in 2025
The best MailGenius alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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G-Lock Apps is an interesting tool that might seem simple to some, but is quite essential to most online marketers.
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Maool Email Editor : Create beautiful emails in less time with no coding knowledge.
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Payroll and compliance for international teams
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litmus tests and tracks your email campaigns, so you can always put your best design forward.
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No More Newsletters In Your Inbox
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An online suggestion box for employees
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Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
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Folderly is an all-in-one email deliverability platform to supercharge your email performance. Locate, solve, prevent email deliverability pitfalls, and ensure that your emails reach the Inbox folder.
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MailChimp is the best way to design, send, and share email newsletters.
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Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.
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We make the send button safer. For every campaign, every message, and every inbox, Email on Acid has the time-saving tools you need to put your best email forward.
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Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free
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Email spam checker and newsletter heatmap prediction.
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We're on a mission to spread DMARC across the globe to make email and the internet safer for all.