Yes. You can verify any @Startmail.com address in real time with a direct SMTP handshake that provides 99.7% accuracy. Startmail.com is operated by StartMail BV, runs 4 mail servers, enforces 3 of 3 authentication standards, and is currently responding to SMTP.
Every check returns one of three clear outcomes so you know exactly what to do with the address.
The mailbox exists and accepts mail. Send with confidence, the address is deliverable.
The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.
The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.
startmail.com publishes 4 MX records. The primary mail exchanger is mx2.startmail.com, hosted by startmail.com, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.
| Priority | Hostname | IP | Status |
|---|---|---|---|
| 10 | mx2.startmail.com | 145.131.90.149 | Reachable |
| 10 | mx1.startmail.com | 145.131.90.133 | Reachable |
| 20 | mx3.startmail.com | 89.146.36.66 | Reachable |
| 30 | mx4.startmail.com | 89.146.36.82 | Reachable |
220-mx2.startmail.com ESMTP PostfixYes. startmail.com is a valid email provider, operated by StartMail BV. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.
A live SMTP handshake connects to Startmail.com's mail server and asks whether the mailbox exists using the RCPT TO command, without ever transmitting a message. The recipient never sees the check.
Each address runs through 30+ checks including SMTP existence, catch-all detection, role-account filtering, and disposable matching. The same engine has verified billions of addresses since 2012.
Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.
Free inboxes get abandoned constantly. Verification drops the dead startmail.com mailboxes before you mail them.
Mistyped startmail.com addresses fail a real SMTP check, so they never turn into a hard bounce.
A clean list keeps your bounce rate low, and a low bounce rate is what protects inbox placement on a big send.
Mailing only live startmail.com addresses raises every rate that matters: opens, clicks, and replies.
Startmail.com is StartMail BV, registered through Hosting Concepts B.V. d/b/a Registrar.eu and first seen Mar 15, 2000.
startmail.com is a privacy-focused email service from StartMail BV, based in the Netherlands and created by the team behind the StartPage private search engine. StartMail offers paid email with PGP encryption, anonymous aliases, and strong privacy protections under Dutch and EU law.
startmail.com implements SPF, DKIM, and DMARC authentication. The service supports one-click PGP encryption, stores no IP logs, and complies with Dutch and EU GDPR data protection regulations.
The startmail.com mail servers validate recipients and reject invalid addresses. The domain does not operate as catch-all. Security-focused filtering protects the privacy-conscious user base.
For delivery to startmail.com, authenticate with SPF, DKIM, and DMARC. StartMail users are privacy-focused. Clean, authenticated messages deliver reliably.
Upload a CSV or TXT list of Startmail.com addresses to the bulk email verifier. Every address runs through a live SMTP handshake plus catch-all, role-account and disposable detection, and you download a clean list when processing completes. For real-time checks at signup, use the real-time email verification API.
CSV or TXT with one email per line. No formatting needed.
Each Startmail.com address is checked with a live server handshake.
Get a verified list with status codes, risk flags, and catch-all detection.
Pay as you go. No subscriptions, and credits never expire.
Everything about verifying email at this domain.
Yes, startmail.com is a valid email domain operated by StartMail BV, a Dutch company. StartMail is a privacy-focused email service from the creators of StartPage search engine.
No, startmail.com is a permanent paid email service focused on privacy with PGP encryption support.
StartMail operates its own mail servers in the Netherlands under Dutch privacy laws.
Yes, with consent. StartMail users are privacy-conscious. Ensure GDPR compliance and transparent opt-in.
StartMail addresses can be verified via SMTP. The service supports disposable aliases but the primary addresses are permanent.
Upload a CSV or TXT list to the bulk email verifier. Every address runs through 30+ checks including SMTP existence, catch-all detection, role-account, and disposable matching. Processing time depends on list size.
99.7% accurate using a direct SMTP handshake with startmail.com's mail servers, the same engine that has verified billions of addresses since 2012.
Other free email provider domains we have audited.