Mails.ai is a transactional email API for developers and AI agents. It handles the everyday emails that apps and automated agents need to send and receive, like sign-in codes, receipts, order confirmations, notifications, and password resets, and it captures the replies as clean, structured data your app can act on. It is built for transactional, permission-based email: the messages a recipient asked for or expects. It is not a cold-email, bulk, or marketing tool. Emails are properly authenticated with deliverability handled for you, and incoming mail is checked for security threats before it reaches an AI agent. Developers connect in a few lines of code and can give an AI agent its own working email address in minutes.
Mails (mails.ai) has 19 customer reviews on Five Star Index, with an average rating of 3.0 out of 5.
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Sage
Just getting started with Mails.AI. Impressed with what I've seen and experienced so far. Just had a support call with Jeff and he was very helpful and clear. Great stuff Mails.AI and team! Update: Some issues with slow support, but hoping things can work out. The campaign is about to go live and I'll update this based on the experience (i.e. does it work properly).
Eli P.
Mail.ai is defnitely something different and unqiue in the cold email space. They have great features, but the downsides prevent me from using it as a standalone solution. I only use it for warming. Pros: Campaign warming, helps deliverability very well in my testing. Cons: - Tiny warmup pool. I am personally adding more users than the entire platform has available. I added 500 users and they are mostly warming amongst themselves. - Extremely slow service. I usually expect 24-72 hours for a response, from the same person too. - Youthful platform. This platform is young and needs a lot done. And has plenty of bugs. (like inability to bulk add accounts, and a glitch that causes campaign warmup to send too many emails when more than 1 campaign is warming up) - Inability to create different subject lines for different steps in a campaign Why I keep using this: This platform has a lot of potential with the campaign warmup.
