Mastodon Email List
Connect with organizations powered by Mastodon using verified, up-to-date B2B email addresses—perfect for technographic-based lead generation and outreach.
63,226
Verified contacts
2,464
Companies
Mastodon Email List (sample 20)
Download Full List| Name & Title | Company | Status | |
|---|---|---|---|
A Anand Chitipothu software consultant and trainer | Internet Archive | a***@archive.org | ✓ Verified |
N Nora Laufer wirtschaftsredakteurin | derStandard.at | nor***@derstandard.at | ✓ Verified |
J John Matherly founder | Shodan | joh***@shodan.io | ✓ Verified |
J Jim Mackenzie VP, Trust & Safety | Matrix | jim***@matrix.org | ✓ Verified |
G Georg Hempel professor of clinical pharmacy | University of Münster | he***@uni-muenster.de | ✓ Verified |
C Caroline Roodenburg Projectleider Leerlijn Gespreksvoering/ Leerprogramma Activering | Municipality of Amsterdam | c.r***@amsterdam.nl | ✓ Verified |
R Ronnie Berntsson assistant professor | Umeå University | ron***@umu.se | ✓ Verified |
A Alanna Irving Team Member | Premium FakeID | al***@opencollective.com | ✓ Verified |
S Sarena Neyman Grant Writer | Fight for the Future | sa***@fightforthefuture.org | ✓ Verified |
A Adam Block owner operator | The WELL | b***@well.com | ✓ Verified |
L Lucinda Fonseca Accounting Manager | The Omni Group | lu***@omnigroup.com | ✓ Verified |
W Wido Potters manager support&sales | BIT Internet Technology | w***@bit.nl | ✓ Verified |
S Sarvar Muminov Founding Engineer | bitdrift | sa***@bitdrift.io | ✓ Verified |
M Mark Seaborn software engineer | Mythic Beasts | m***@mythic-beasts.com | ✓ Verified |
J Jaroslava Haladova editor | Czech Radio | jar***@rozhlas.cz | ✓ Verified |
L Leah Stephenson chief operations officer | Craft CMS | l***@craftcms.com | ✓ Verified |
W Willem Toorop systems and software engineer | NLnet Labs | too***@nlnetlabs.nl | ✓ Verified |
N Nyri Scanlon Library Volunteer | California Academy of Sciences | ns***@calacademy.org | ✓ Verified |
M Minette Henriksson product owner sunet lms | SUNET | min***@sunet.se | ✓ Verified |
A Adam Ierymenko founder | ZeroTier | ada***@zerotier.com | ✓ Verified |
Showing 20 of 63,226 verified contacts
Refine to your ICP
Narrow these 63,226 contacts down to the ones that match your ideal customer profile.
No credit card required.
“We turned a messy list of 8,000 accounts into 200 high-intent companies in an afternoon. Our reply rates doubled the very next week.”
Marcus D.
Head of Growth
Job Title Distribution
Live data, powered by AI
How the Mastodon email list is built with Tomba
This isn’t a static file that quietly rots. Every technologies list is assembled live from the Tomba API and verified before it reaches you — current, deliverable, and yours to export in minutes.
- 1
Target
Pick your filters — industry, technology, job title, department, company size, country or US state. Tomba Reveal maps the exact companies that match.
- 2
Discover
Domain Search pulls the current decision-makers and their work emails from each matching company in real time — pulled live, never a recycled dump.
- 3
Verify
Every address is SMTP-checked and AI-scored the moment it is found — including catch-all (accept-all) domains most tools skip — for 99% deliverability.
- 4
Export
Download fresh, verified contacts to CSV or your CRM, or pull them straight from the REST API. Built the moment you ask, so nothing is stale.
Why Tomba is the best way to build this list
AI-powered discovery
Machine-learning models rank and match the right people at the right companies, then predict the most likely deliverable pattern.
Catch-all verification
Tomba verifies catch-all / accept-all domains that other providers mark “unknown” — so you reach leads nobody else can validate.
99% accuracy
Real-time SMTP + AI checks keep bounce rates low and protect your sender reputation and domain health.
Live & fresh
Assembled on demand from live sources — never a resold, months-old database that has already decayed.
Only pay for valid emails
If Tomba can’t find a valid email, the search is free. You never spend credits on dead or guessed addresses.
API, SDKs & MCP
A REST API with 10 official SDKs, spreadsheet add-ons, and an MCP server to build this list straight into your AI tools and workflows.
For developers and AI assistants
Build the Mastodon list with the Tomba API
Reveal the companies, Domain Search their live contacts, Verify every email (catch-all included), and Phone Finder for direct dials. Copy-paste in Go, JavaScript, cURL, or MCP.
import { TombaClient, Reveal, Domain, Verifier, Phone } from "tomba";
const client = new TombaClient();
client.setKey("ta_xxxx").setSecret("ts_xxxx");
const reveal = new Reveal(client);
const domain = new Domain(client);
const verifier = new Verifier(client);
const phone = new Phone(client);
// 1. Reveal — find companies for the Mastodon list
const { data } = await reveal.companiesSearch({
query: "companies using Mastodon",
page: 1,
});
for (const company of data.companies) {
// 2. Domain Search — pull live contacts + emails
const res = await domain.domainSearch({
domain: company.website_url,
limit: "20",
});
for (const contact of res.data.emails) {
// 3. Verifier — AI + catch-all verification (accept-all included)
const check = await verifier.emailVerifier(contact.email);
if (check.data.email.status !== "valid") continue;
// 4. Phone Finder — add a direct-dial number (5 credits)
const dial = await phone.finder({ email: contact.email });
console.log(contact.email, contact.position, dial.data?.intl_format);
}
}Verification is bundled free — Tomba scores catch-all / accept-all domains other tools skip. See the Reveal, Domain Search and Verifier docs for full options.
Transparent, pay-as-you-go pricing
What does the Mastodon email list cost?
No per-list fees and no lock-in. You pay only for the verified contacts you export — from $8.90 per 1,000 valid emails, with AI and catch-all verification included.
Pay-as-you-go credits — 1 credit per valid email found via Domain Search or Email Finder. Buy only what you need.
Every email is verified — including catch-all domains — at no extra credit cost. Verification is bundled, not billed.
If Tomba can’t find a valid email, the search is free. Duplicate lookups in the same month are free too.
Start free — 25 searches & 50 verifications, no card required.
Credits scale from 5,000 to 2,000,000 / month and stay valid for 12 months. REST API, 10 SDKs, and MCP included on every plan.
FAQ
Frequently asked questions
Freshness, catch-all verification, coverage and cost — answered.
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