Safe to Send ยท Low risk

Verify Emails at Box.com

Real-time SMTP verification with 99.7% accuracy. Check any @box.com address before you send, no signup required.

SMTP Responsive MX 2 Auth 3/3 Persistent
Box.com Email Checker
LIVE
90Deliverability
2MX Records
10 / 10Free Checks
Verify 10,000 Box.com emails for just $9.95
Military-Grade Encryption
ISO 27001
SOC 2 Type II
GDPR
CCPA
HIPAA

Deliverability

4 signals
Deliverability90/100
Risk Score10
Blacklists0/8
Domain Age27 years

Infrastructure

5 signals
SMTP StatusResponsive
MX Records2
Authentication3/3
Accepts MailYes
Catch-AllNot detected

Classification

4 signals
Domain TypeCorporate Email
DisposableNo
Free ProviderNo
Mail ProviderProofpoint

Verification Status

June 1, 2026

Yes. You can verify any @Box.com address in real time with a direct SMTP handshake that provides 99.7% accuracy. Box.com is operated by Box Inc., runs 2 mail servers, enforces 3 of 3 authentication standards, and is currently responding to SMTP.

Valid providerYesYes
Mail ProviderProofpoint
MX Records2Active
Authentication3/3Full

Box.com Key Facts

Corporate Domain
Mail ProviderProofpoint
Domain TypeCorporate Email
MX Records2 mxb-00172704.gslb.pphosted.com
SMTP StatusResponsiveResponsive
SPF / DKIM / DMARCPass / Pass / Reject
Catch-AllNot detected
DisposableNoNo
Domain Age27 years (since 1999)
RegistrarMarkMonitor, Inc.
Last VerifiedJune 1, 2026

How to read your Box.com verification result

Every check returns one of three clear outcomes so you know exactly what to do with the address.

Passed - Safe to Send

The mailbox exists and accepts mail. Send with confidence, the address is deliverable.

Failed - Do Not Send

The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.

Unknown - Use Caution

The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.

What are Box.com's MX records?

box.com publishes 2 MX records. The primary mail exchanger is mxb-00172704.gslb.pphosted.com, hosted by Proofpoint, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.

MX Records

2 records
PriorityHostnameIPStatus
10 mxb-00172704.gslb.pphosted.com 205.220.172.57 Reachable
10 mxa-00172704.gslb.pphosted.com 205.220.160.57 Reachable

Infrastructure

Responsive
SMTP StatusResponsiveResponsive
Primary MXmxb-00172704.gslb.pphosted.com
Mail ProviderProofpoint
Accepts MailYes
Catch-AllNot detected
220 mx0b-00172704.pphosted.com ESMTP mfa-m0183035

Can you verify Box.com email addresses?

Yes. box.com is a valid email domain, operated by Box Inc.. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.

Verification method

SMTP

A live SMTP handshake connects to Box.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.

Accuracy

99.7%

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.

Why verify Box.com emails before you send?

Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.

Catch role changes

People leave companies. Verification flags box.com mailboxes deactivated since you collected them.

Avoid dead mailboxes

Expired or full box.com inboxes hard-bounce. A live SMTP check catches them before you hit send.

Protect sender reputation

Low bounce rates keep you trusted by box.com mail servers and the major mailbox providers.

Keep CRM data accurate

Verified contacts mean your CRM, lead scoring, and routing all run on addresses that reach a person.

Who operates Box.com?

Box.com is Box Inc., registered through MarkMonitor, Inc. and first seen Feb 17, 1999.

Registration (WHOIS)

.com
RegistrarMarkMonitor, Inc. / IANA 292
RegisteredFeb 17, 1999 / 27 years old
UpdatedJan 16, 2025
ExpiresFeb 16, 2027
RegistrantBox, Inc. / UNITED STATES
Tech ContactUNITED STATES
ns03.box-ns.comns02.box-ns.comdns1.p09.nsone.netns04.box-ns.comdns2.p09.nsone.netdns3.p09.nsone.netns01.box-ns.comdns4.p09.nsone.net

Domain Profile

Corporate Email
Domainbox.com
OrganizationBox Inc.
TypeCorporate Email
Mail ProviderProofpoint
SPFPassPass
DKIMPassPass
DMARCRejectReject

Box Inc. (box.com) is a cloud content management and file sharing company headquartered in Redwood City, California. Box provides cloud storage, collaboration, and content management tools for businesses, with a focus on enterprise security, compliance, and workflow automation. The platform serves over 100,000 organizations worldwide.

Box implements enterprise email authentication on the box.com domain with SPF, DKIM, and DMARC enforcement. As a cloud content platform handling sensitive enterprise documents, Box faces phishing threats from campaigns impersonating file sharing notifications and access requests targeting business users.

SMTP verification of box.com addresses returns definitive responses for valid and invalid mailboxes. The domain does not function as catch-all. Box's enterprise mail infrastructure implements rate limiting on inbound SMTP connections.

For partners communicating with Box employees, proper sender authentication is essential. Box's corporate email filters enforce SPF, DKIM, and DMARC validation. Full authentication compliance ensures reliable inbox delivery to box.com addresses.

How do you verify Box.com emails in bulk?

Upload a CSV or TXT list of Box.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.

1

Upload your list

CSV or TXT with one email per line. No formatting needed.

2

SMTP verification runs

Each Box.com address is checked with a live server handshake.

3

Download clean results

Get a verified list with status codes, risk flags, and catch-all detection.

Verify Box.com emails from $0.0001 each

Pay as you go. No subscriptions, and credits never expire.

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$9.95
$0.00099 per email
One-time payment. No contracts.
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Frequently asked questions about Box.com

Everything about verifying email at this domain.

Yes, box.com is the official corporate email domain for Box Inc.. It is used for internal business communications and is not available for public registration.

No, box.com is a corporate email domain belonging to Box Inc., used exclusively by employees and authorized personnel.

box.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.

B2B marketing to box.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.

Corporate domains like box.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.

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 box.com's mail servers, the same engine that has verified billions of addresses since 2012.