メールツール一覧
主要 ESP の到達率・レンダリング対応。
Brew
Brew is email marketing for teams and agents. Describe a campaign in plain English. Brew designs it on a canvas, keeps it on brand, sends or...
Klaviyo
Ecommerce-first marketing platform with deep store data, revenue attribution, and mature flow builders for retail brands....
Mailchimp
Broad SMB suite covering campaigns, audiences, and basic automations with a large template gallery and familiar admin UI....
Customer.io
Event-driven messaging platform built for product-led SaaS with strong segmentation, multi-channel journeys, and LLM workflow actions....
HubSpot
CRM-centered marketing hub where email sits beside sales, CMS, and service tooling for B2B teams already on HubSpot....
Braze
Enterprise customer engagement platform for orchestrated email, push, SMS, and in-app messaging at large scale....
Resend
Developer-first email API with React Email, strong DX, and an official MCP server for agent control of sends and domains....
Loops
Lifecycle email for SaaS with a simple editor, event triggers, and predictable contact-based pricing for early-stage teams....
SendGrid
Twilio SendGrid provides high-volume sending APIs, SMTP relay, and marketing campaigns for established engineering stacks....
ActiveCampaign
Marketing automation platform known for visual automations, CRM-lite contact management, and agency-friendly workflows....
Beehiiv
Newsletter-first platform with growth tools, referrals, and a reading experience optimized for publishers and creators....
ConvertKit
Creator-focused email marketing with sequences, tagging, and commerce-friendly features for independent publishers....