# MailSenpai (mailsenpai.com)

Sends newsletters and B2B outreach campaigns with list management, scheduling and stats, plus an SMTP relay for transactional mail.

- Atlas card: https://inite.ai/en/atlas/mailsenpai.com
- Site: https://mailsenpai.com
- For: Small businesses and freelancers running B2B email newsletters and outreach campaigns
- Categories: marketing
- Use 0/100 · alive 100/100

## Used for

- Import contacts into lists and remove duplicates
- Schedule and send newsletter campaigns to a set time
- Send website or app email through an SMTP relay

## Price

Not read yet.

## For developers

- MCP server: com.mailsenpai/mcp (namespace; auth on 2026-10-18)
- Read 2026-10-18

## MCP server, measured daily

Server: https://mcp.mailsenpai.com/mcp, checked every day since 2026-10-19 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 579 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr
- Read 2026-10-18

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Source: INITE Atlas, https://inite.ai/en/atlas/mailsenpai.com. JSON: https://inite.ai/api/atlas/mailsenpai.com. MCP: https://inite.ai/api/mcp (atlas_lookup).