Mailhardener Alternatives

Stop hackers to send emails from your domain

freemium $8.0 / Monthly

Cloud Native DMARC

Open Source freemium $35.99 / Monthly (2 domains, 100K emails, 3 month data history, 1 user)

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

DMARCLY helps stop email spoofing, phishing, spam, business email compromise, ransomware, and improves email deliverability.

Safeguard your email from abuse

DMARC Report allows service providers and businesses to monitor and manage a large number of domains for DMARC compliance.

Agari is a data-driven security solution powering real-time cyber threat detection for companies & their customers.

The Email Service For Developers.

Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.

Mimecast Gateway is a SaaS-based email security solution that uses sophisticated, multi-layered detection engines and intelligence to protect email data and employees from malware, spam, advanced threats and zero-day attacks.

A new DMARC monitoring service to help protect your brand from email scammers.

A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.

Open Source

Prevent COD frauds using the power of AI

Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free