Amazon SESFree plan
by Amazon Web Services
Low-cost email sending on AWS
The page mentions an AWS Free Tier that provides free, hands-on experience with AWS products and services.
From their website
Sending domains & mailboxes
Set up email that lands in the inbox.
8 tools, AI-powered and best known first. 3 have a free plan we've confirmed: Amazon SES, Mailgun, Postmark.
Google WorkspaceFree trial
by Google
Business email, calendar and docs on your own domain
The page offers a 14-day trial with no cost for all plans.
From their website
InstantlyFree plan not confirmed
by Instantly
Send cold email from many inboxes with warm-up included
The cheapest paid plan is the Growth plan at $47/mo.
From their website
Twilio SendGridFree trial
by Twilio
Send transactional and marketing email reliably
The page states you can sign up for a free trial with no credit card required.
From their website
Microsoft 365Free plan not confirmed
by Microsoft
Outlook email on your domain plus Office apps
Public info, not yet checked
MailgunFree plan
by Sinch
Email sending API for apps and websites
The Free plan includes 100 emails per day, 1 custom sending domain, and ticket support.
From their website
PostmarkFree plan
by ActiveCampaign
Fast delivery for your app's transactional email
The free Developer plan includes 100 emails every month and never expires or runs out.
From their website
ReplyDakFree trial
by Surge Software
Cold email domains and mailboxes, set up for you in minutes
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
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