// verified b2b email list
CentOS Email List
Find and connect with businesses running CentOS using accurate, verified email data built for outbound sales, partnerships, and product-led prospecting.
- verified contacts
- 1,148,239
- companies
- 48,124
CentOS Email List (sample 19)
Download the full list| Name and title | Company | Status | |
|---|---|---|---|
S Stefanie Gershon support guress E-junkie | E-junkie | st***@e-junkie.com | Verified |
C Cardelia Latimore Telephone Representative/Admin. Asst National Geographic | National Geographic | cla***@nationalgeographic.com | Verified |
M Mara Gottesman Student UCLA | UCLA | m***@ucla.edu | Verified |
A Alan Murray editor Fortune | Fortune | ala***@fortune.com | Verified |
M Matt Macqueen Vp Product & Design JSTOR | JSTOR | mat***@jstor.org | Verified |
J John Kim reporter The Korea Times | The Korea Times | jo***@koreatimes.com | Verified |
S Sandeep Gupta cio Dainik Jagran | Dainik Jagran | j***@jagran.com | Verified |
A Aristeo Avelino Handyman JAL SUNLIGHT | JAL SUNLIGHT | ari***@jal.co.jp | Verified |
J Jamie Rene Full time exotic entertainer. Webcam & Phone Sex Girl NiteFlirt | NiteFlirt | g***@niteflirt.com | Verified |
J Jitesh Jha content manager Jagran Josh | Jagran Josh | j***@jagranjosh.com | Verified |
M Mike Stevens researcher University of Nebraska-Lincoln | University of Nebraska-Lincoln | ms***@unl.edu | Verified |
M Michelle Stark head marketing Fasthosts | Fasthosts | mic***@fasthosts.co.uk | Verified |
M Marc Stasio managing director professor jazz studies mason gross school the arts Rutgers University | Rutgers University | mar***@rutgers.edu | Verified |
P Philip Phillips physics teacher Theoretical and Computational Biophysics Group | Theoretical and Computational Biophysics Group | d***@uiuc.edu | Verified |
P Peter Fabian web administrator WebHouse | WebHouse | do***@webhouse.sk | Verified |
I Ian Wright Reseracher Activision | Activision | ian***@activision.com | Verified |
T Terrie White senior instructor LSU School of Veterinary Medicine | LSU School of Veterinary Medicine | tw***@lsu.edu | Verified |
P Patrick Daniel Graduate Student Researcher University of California | University of California | pc***@ucsc.edu | Verified |
L Lee Stacy VP of Sales and Business Development Humax Holdings | Humax Holdings | lee***@humaxdigital.com | Verified |
Showing 19 of 1,148,239 verified contacts
Refine to your ICP
Narrow these 1,148,239 contacts down to the ones that match your ideal customer profile.
No credit card required.
// live data
How the CentOS email list is built with Tomba
This isn’t a static file that quietly rots. Every list is assembled live from the Tomba API and verified before it reaches you: current, deliverable and ready to export in minutes.
- 01
Target
Pick your filters: industry, technology, job title, department, company size, country or US state. Tomba Reveal maps the companies that match.
- 02
Discover
Domain Search pulls the current decision-makers and their work emails from each matching company, live rather than from a recycled dump.
- 03
Verify
Every address is SMTP-checked and AI-scored the moment it is found, including catch-all (accept-all) domains most tools skip.
- 04
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 build this list with Tomba
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 can reach leads they cannot validate.
Verified before you send
Syntax, MX and SMTP checks plus catch-all detection keep bounces low, and every confirmed hard bounce earns a credit back.
Sources you can check
Every address comes from public web pages Tomba crawls, and the sources behind any email are one request away.
Pay only for results
If Tomba can’t find an email, the search is free: only searches that return a result use a credit.
API, SDKs & MCP
A REST API with 13 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 CentOS 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.
// npm install tomba
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 CentOS list
const { data } = await reveal.companiesSearch({
query: "companies using CentOS",
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);
}
}// go get github.com/tomba-io/go
package main
import (
"fmt"
"os"
"github.com/tomba-io/go/tomba"
"github.com/tomba-io/go/tomba/models"
)
func main() {
client := tomba.New(os.Getenv("TOMBA_API_KEY"), os.Getenv("TOMBA_SECRET_KEY"))
// 1. Reveal: find companies for the CentOS list
companies, err := client.SearchCompanies(&models.RevealSearchRequest{
Query: "companies using CentOS",
Page: 1,
})
if err != nil {
panic(err)
}
for _, company := range companies.Data.Companies {
// 2. Domain Search: pull live contacts + emails
res, err := client.DomainSearch(tomba.Params{
"domain": company.WebsiteURL,
"limit": 20,
})
if err != nil {
continue
}
for _, contact := range res.Data.Emails {
// 3. Verifier: AI + catch-all verification
check, _ := client.EmailVerifier(tomba.Params{"email": contact.Email})
if check.Data.Email.Status != "valid" {
continue
}
// 4. Phone Finder: add a direct-dial number (5 credits)
dial, _ := client.PhoneFinder(tomba.Params{"email": contact.Email})
fmt.Println(contact.Email, contact.Position, string(dial.Data))
}
}
}# export TOMBA_API_KEY=ta_xxxx TOMBA_SECRET_KEY=ts_xxxx
# 1. Reveal: find companies for the CentOS list
curl -s -X POST https://api.tomba.io/v1/reveal/search \
-H "X-Tomba-Key: $TOMBA_API_KEY" \
-H "X-Tomba-Secret: $TOMBA_SECRET_KEY" \
-H "Content-Type: application/json" \
-d '{"query": "companies using CentOS", "page": 1}'
# 2. Domain Search: pull live contacts from a company
curl -s "https://api.tomba.io/v1/domain-search?domain=piedpiper.com&limit=20" \
-H "X-Tomba-Key: $TOMBA_API_KEY" \
-H "X-Tomba-Secret: $TOMBA_SECRET_KEY"
# 3. Verify: AI + catch-all verification (accept-all included)
curl -s "https://api.tomba.io/v1/email-verifier/richard@piedpiper.com" \
-H "X-Tomba-Key: $TOMBA_API_KEY" \
-H "X-Tomba-Secret: $TOMBA_SECRET_KEY"
# 4. Phone Finder: get a direct-dial number for a contact (5 credits)
curl -s "https://api.tomba.io/v1/phone-finder?email=richard@piedpiper.com" \
-H "X-Tomba-Key: $TOMBA_API_KEY" \
-H "X-Tomba-Secret: $TOMBA_SECRET_KEY"{
"mcpServers": {
"tomba": {
"url": "https://mcp.tomba.io/mcp",
"headers": {
"Authorization": "Bearer <base64 of ta_key:ts_secret>"
}
}
}
}With the MCP server connected, ask your AI assistant:
“Use Tomba to find companies using CentOS, pull their key contacts with domain_search, verify every email including catch-all domains, add direct-dial numbers with phone_finder, then export the CentOS email list.”
Works in Claude, Cursor, Windsurf and any MCP client. The companies_search, domain_search, email_verifier and phone_finder tools run live. See the remote MCP docs.
Every address comes back with its verification status, catch-all domains included. See the Reveal, Domain Search and Verifier docs for full options.
// pricing
What does the CentOS email list cost?
No per-list fees and no lock-in: you pay for the searches that return addresses, from $8.98 per 1,000 search credits.
On Pro Plus (50,000 a month). An Email Finder search that returns an address uses 1 credit; Domain Search uses 1 per 10 results.
Every address a search returns comes with its verification status, catch-all domains flagged, on the same search credit.
If Tomba finds no valid address, the search is free. The same search again in the same usage window is free too.
Start free: 25 search credits every 30 days, no card required.
Plans from 2,500 to 350,000 search credits a month, or one-time packs valid for 12 months. The REST API, 13 SDKs and the MCP server come with every plan.
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