# AI tools for sending domains & mailboxes — compared

> Set up email that lands in the inbox. 8 AI and productivity tools, AI-powered and best known first, with what each does and whether it is free.

- [Amazon SES](https://suitly.si/tools/amazon-ses) by Amazon Web Services — Low-cost email sending on AWS Price: Free plan (The page mentions an AWS Free Tier that provides free, hands-on experience with AWS products and services.); from their website.
- [Google Workspace](https://suitly.si/tools/google-workspace) by Google — Business email, calendar and docs on your own domain Price: Free trial (The page offers a 14-day trial with no cost for all plans.); from their website.
- [Instantly](https://suitly.si/tools/instantly) by Instantly — Send cold email from many inboxes with warm-up included Price: Free plan not confirmed; from their website.
- [Twilio SendGrid](https://suitly.si/tools/sendgrid) by Twilio — Send transactional and marketing email reliably Price: Free trial (The page states you can sign up for a free trial with no credit card required.); from their website.
- [Microsoft 365](https://suitly.si/tools/microsoft-365) by Microsoft — Outlook email on your domain plus Office apps Price: Free plan not confirmed; public info, not yet checked.
- [Mailgun](https://suitly.si/tools/mailgun) by Sinch — Email sending API for apps and websites Price: Free plan (The Free plan includes 100 emails per day, 1 custom sending domain, and ticket support.); from their website.
- [Postmark](https://suitly.si/tools/postmark) by ActiveCampaign — Fast delivery for your app's transactional email Price: Free plan (The free Developer plan includes 100 emails every month and never expires or runs out.); from their website.
- [ReplyDak](https://suitly.si/tools/replydak) by Surge Software — Cold email domains and mailboxes, set up for you in minutes Price: Free trial (The built-in tools (list checker, AI first lines, AI reply drafts) are free for your first 3 months; 3 inbox placement tests a month are free.); confirmed by the maker.

Who looks for this: Marketing teams, Sales teams, Recruiters & HR, IT & software teams, Any small business.
Page: https://suitly.si/needs/email-infrastructure