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Amazon SES vs Substack

Amazon SES: High-volume sending at lowest unit cost. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.

Amazon SES

Free tier
No standing free plan; new AWS accounts get $200 Free Tier credits (6-month plan)
Paid from
$0.10 per 1,000 emails (pay-as-you-go) · pricing page
Public API
Yes docs
MCP server
Yes · AWS-published SESv2 MCP sample (github.com/aws-samples/sample-for-amazon-ses-mcp); general AWS MCP Server is GA
Best for
High-volume sending at lowest unit cost
Website
https://aws.amazon.com/ses/

Substack

Free tier
Free to publish, no subscriber cap
Paid from
No monthly fee; 10% of paid subscription revenue plus Stripe fees · pricing page
Public API
Yes docs
MCP server
Community · Community servers on GitHub only
Best for
Writers making money doing the work they believe in
Website
https://substack.com

Which one?

Amazon SES suits high-volume sending at lowest unit cost. Substack suits writers making money doing the work they believe in. Pricing changes; the fact tables above link both vendors' live pricing pages. For the rest of the field, see Amazon SES alternatives, Substack alternatives, or the full table.