couryo

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2 servers across email. The largest is Couryo free email tools.

servers published

1 category

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installs

across every listing

followers

told when a release lands

1 of 2

tool-list graded

graded from the tools they list, not from code

2 MCP servers. 2 of 2 are free to start.

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

5 tools

Free

Couryo

Transactional email API: send, read delivery timelines, explain bounces, manage domains (OAuth).

Free

Authentication

1 of 2 use OAuth

The rest either hold an API key issued by the publisher or ask for nothing.

Support

Community publisher

Listed without a verification tick. Read the listing before installing.