MailSenpai

Email marketing and B2B outreach platform for SMEs and freelancers, with a separate SMTP relay service (SMTP Senpai) for transactional email.

Visit mailsenpai.com →Pricing

MailSenpai is an Italian email marketing platform, active since 2016, with servers and data in the EU. It supports newsletters, contact list management, segmentation, campaign scheduling, A/B subject testing, automations, and cold B2B email sending. Campaigns can also be managed via AI assistants through an MCP connector (currently integrated with ChatGPT Plus and above). A second product, SMTP Senpai, provides an SMTP relay and REST API for transactional email from apps and websites, with SPF, DKIM, and DMARC management, bounce handling, and a permanent free tier of 5,000 emails/month.

Category: Email & messaging
Pricing: freemium · from 13.49 EUR/month (annual billing, marketing platform); 12.90 EUR/month (SMTP Senpai, annual billing); free 30-day trial and permanent SMTP free tier of 5,000 emails/month
Free tier: yes
API: yes
MCP server: yes
SDK: yes
Open source: no

#email-marketing #newsletter #cold-email #smtp #transactional-email #ai-assistant #mcp

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Listed 2026-10-27 · last verified 2026-10-27 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.9

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API

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