Safe to Send ยท Low risk

Verify Emails at Cmu.edu

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

SMTP Responsive MX 5 Auth 3/3 Persistent
Cmu.edu Email Checker
LIVE
90Deliverability
5MX Records
10 / 10Free Checks
Verify 10,000 Cmu.edu 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 Age41 years

Infrastructure

5 signals
SMTP StatusResponsive
MX Records5
Authentication3/3
Accepts MailYes
Catch-AllNot detected

Classification

4 signals
Domain TypeEducation Email
DisposableNo
Free ProviderNo
Mail ProviderGoogle Workspace

Verification Status

May 30, 2026

Yes. You can verify any @Cmu.edu address in real time with a direct SMTP handshake that provides 99.7% accuracy. Cmu.edu is operated by Carnegie Mellon University, runs 5 mail servers, enforces 3 of 3 authentication standards, and is currently responding to SMTP.

Valid providerYesYes
Mail ProviderGoogle Workspace
MX Records5Active
Authentication3/3Full

Cmu.edu Key Facts

Education Domain
Mail ProviderGoogle Workspace
Domain TypeEducation Email
MX Records5 ASPMX.L.GOOGLE.COM
SMTP StatusResponsiveResponsive
SPF / DKIM / DMARCPass / Pass / None
Catch-AllNot detected
DisposableNoNo
Domain Age41 years (since 1985)
Last VerifiedMay 30, 2026

How to read your Cmu.edu 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 Cmu.edu's MX records?

cmu.edu publishes 5 MX records. The primary mail exchanger is ASPMX.L.GOOGLE.COM, hosted by Google Workspace, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.

MX Records

5 records
PriorityHostnameIPStatus
1 ASPMX.L.GOOGLE.COM 142.251.167.27 Reachable
5 ALT2.ASPMX.L.GOOGLE.COM 172.253.116.27 Reachable
5 ALT1.ASPMX.L.GOOGLE.COM 108.177.123.26 Reachable
10 ALT4.ASPMX.L.GOOGLE.COM 173.194.76.27 Reachable
10 ALT3.ASPMX.L.GOOGLE.COM 192.178.223.26 Reachable

Infrastructure

Responsive
SMTP StatusResponsiveResponsive
Primary MXASPMX.L.GOOGLE.COM
Mail ProviderGoogle Workspace
Accepts MailYes
Catch-AllNot detected
220 mx.google.com ESMTP 6a1803df08f44-8ccea2a7375si45787216d6.656 - gsmtp

Can you verify Cmu.edu email addresses?

Yes. cmu.edu is a valid email domain, operated by Carnegie Mellon University. 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 Cmu.edu'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 Cmu.edu 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 cmu.edu mailboxes deactivated since you collected them.

Avoid dead mailboxes

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

Protect sender reputation

Low bounce rates keep you trusted by cmu.edu 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 Cmu.edu?

Cmu.edu is Carnegie Mellon University and first seen Apr 24, 1985.

Registration (WHOIS)

.edu
RegisteredApr 24, 1985 / 41 years old
UpdatedJan 30, 2026
ExpiresJul 31, 2027
RegistrantCarnegie Mellon University Cyert Hall 216 / Pittsburgh, PA, UNITED STATES
Tech ContactHost Master Carnegie Mellon University Cyert Hall 215 / host-master@andrew.cmu.edu / Pittsburgh, PA, UNITED STATES
NSAUTH3.NET.CMU.EDUNSAUTH2.NET.CMU.EDUNSAUTH1.NET.CMU.EDU

Domain Profile

Education Email
Domaincmu.edu
OrganizationCarnegie Mellon University
TypeEducation Email
Mail ProviderGoogle Workspace
SPFPassPass
DKIMPassPass
DMARCNoneNone

Cmu.edu is Carnegie Mellon University, classified as education email running on Google Workspace. It operates 5 mail servers and currently accepts SMTP connections.

When verifying cmu.edu addresses, the checker connects directly to Google Workspace over SMTP. With 3 of 3 authentication standards in place and SMTP currently responding, verification results for this domain carry high confidence.

How do you verify Cmu.edu emails in bulk?

Upload a CSV or TXT list of Cmu.edu 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 Cmu.edu 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.

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Frequently asked questions about Cmu.edu

Everything about verifying email at this domain.

Yes, cmu.edu is the official email domain for Carnegie Mellon University. Educational institution domains are used by students, faculty, and staff.

No, cmu.edu is an educational institution domain belonging to Carnegie Mellon University. However, student email addresses may be deactivated after graduation.

cmu.edu uses mail infrastructure managed by the institution. Many universities use Microsoft 365 or Google Workspace. Check the MX records above.

Marketing requires opt-in consent. Student addresses may become inactive after graduation. Education domains often have strict spam filtering.

Education domains may use catch-all or restricted SMTP. Student addresses can expire. Use BulkEmailChecker for reliable 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 cmu.edu's mail servers, the same engine that has verified billions of addresses since 2012.