Yes. You can verify any @Inbox.com address in real time with a direct SMTP handshake that provides 99.7% accuracy. Inbox.com is operated by Inbox.com Inc., runs 1 mail server, 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.
inbox.com publishes 1 MX record. The primary mail exchanger is mx.dka.mailcore.net, hosted by mailcore.net, 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 | mx.dka.mailcore.net | 194.19.134.80 | Reachable |
220 MX.DKA.mailcore.net (DKA-EDGE11) readyYes. inbox.com is a valid email provider, operated by Inbox.com Inc.. 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 Inbox.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 inbox.com mailboxes before you mail them.
Mistyped inbox.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 inbox.com addresses raises every rate that matters: opens, clicks, and replies.
Inbox.com is Inbox.com Inc., registered through Domeneshop AS dba domainnameshop.com and first seen Apr 16, 1995.
inbox.com is a free email service from Inbox.com Inc., offering webmail with large storage, spam filtering, and mobile access for users seeking a simple email experience.
inbox.com supports SPF authentication for outbound email. The platform applies anti-spam filtering and basic security measures.
The inbox.com mail servers validate recipients and reject invalid mailboxes. The domain does not operate in catch-all mode. Rate limiting applies for unknown senders.
When emailing inbox.com users, ensure valid SPF records. Maintain clean lists and follow standard deliverability practices.
Upload a CSV or TXT list of Inbox.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 Inbox.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, inbox.com is a valid email domain operated by Inbox.com Inc. It provides free email accounts with a focus on simplicity and ad-free experience for premium users.
No, inbox.com is not a disposable email provider. It is a permanent free email service offering full-featured email accounts for personal use.
Inbox.com operates its own mail servers. MX records point to Inbox.com's mail infrastructure for handling inbound email delivery.
Yes, with proper opt-in consent. Inbox.com uses standard spam filtering. Ensure proper email authentication to maintain deliverability to inbox.com users.
Inbox.com addresses can be verified via SMTP checks. The service returns responses for valid and invalid addresses, allowing reliable email verification.
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 inbox.com's mail servers, the same engine that has verified billions of addresses since 2012.
Other free email provider domains we have audited.