Mailwarm
Mailwarm is the email deliverability company. We help senders get into the inbox and stay there, through products, tools, and services built for both humans and AI agents. ✦ Mailwarm.com: The original email warmup tool. Build sender reputation automatically through real, positive inbox interactions across a large network of mailboxes, with built-in monitoring and deliverability insights. ✦ ThemailX.com: Instant deliverability diagnostics for AI agents and humans. Check all protocols SPF, DKIM, D
Y Combinator
yc-company-directory #1676Mailwarm is the email deliverability company. We help senders get into the inbox and stay there, through products, tools, and services built for both humans and AI agents. ✦ Mailwarm.com: The original email warmup tool. Build sender reputation automatically through real, positive inbox interactions across a large network of mailboxes, with built-in monitoring and deliverability insights. ✦ ThemailX.com: Instant deliverability diagnostics for AI agents and humans. Check all protocols SPF, DKIM, D
sourceMailwarm is classified as AI agents from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.
Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.
Companies similar to Mailwarm
A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.
Artisan
match 36At Artisan, we’re building real AI employees - not copilots, not assistants, but autonomous teammates. Our first, Ava, is an AI BDR. She finds and researches leads, writes emails in customers’ tone of voice, runs outbound sequences, self-optimizes, and manages email deliverability infrastructure. She learns, adapts, and improves over time - just like a human would. Human team members use Artisan as their primary working platform, replacing a sprawling stack of sales tools, and have Artisans work
shared product terms: email, deliverability, human, real; same category: AI agents; shared affiliation: Y Combinator
Theora
match 30Making India the global hub for trusted clinical trials with multimodal AI oversight. We are building an AI chaperone for clinical trials: multimodal AI that verifies protocol-required actions in real time, checks data against source evidence, and flags compliance risks before they compromise the study.
shared product terms: real, check, protocol; shared product theme: health and clinical care; shared affiliation: Y Combinator
fraudmarc
match 26We work with all major mailbox providers to identify your valid mail sources. Legitimate senders enjoy improved deliverability & phishing attempts are blocked.
shared extracted concept terms: sender; shared product terms: sender, deliverability
Supafax
match 20Supafax is an AI agent that lives in your inbox and proactively manages your email and calendar.
shared product terms: inbox, email; same category: AI agents; shared affiliation: Y Combinator
Post.fm
match 17New email inbox.
shared product terms: email, inbox; shared affiliation: Y Combinator
Conspire
match 16Unlock your email network
shared product terms: email, network