MailSure

Is rpi.edu a valid email domain?

Organisation domainChecked 2026-11-06

Mail for rpi.edu is handled by 1 server, with mail.rpi.edu tried first.

It is not a free provider and is not on our disposable list, so addresses here usually belong to a company, school or other organisation.

SPF is published and ends with -all. DMARC is set to none.

Check an email address at rpi.edu

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MX records

PriorityMail serverResolves to
1mail.rpi.edu128.113.0.6

SPF

Record published

v=spf1 ip4:128.113.1.200/29 ip4:128.113.1.208 ip4:128.113.26.109 ip4:159.112.250.171 include:spf.protection.outlook.com include:_spf-eus.teamdynamix.com -all

DMARC

Policy: none

v=DMARC1; p=none;  pct=100; rua=mailto:dmarc@rpi.edu

Disposable?

No, not on our disposable list.

Free provider?

No, not a known free provider.

What this means for your email list

What this means for addresses at this domain

rpi.edu looks like an organisation's own domain. Those are usually good leads, and also where bounces come from: people change jobs and mailboxes get closed. Checking each address, including whether the server accepts any recipient, avoids damaging your sender reputation.

Sender authentication

rpi.edu has DMARC in monitoring mode (p=none). It collects reports but does not yet block spoofed mail, so the domain is easier to impersonate.

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Frequently asked questions

Is rpi.edu a valid email domain?
Yes. rpi.edu publishes 1 MX record and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
Is rpi.edu a disposable email domain?
No. rpi.edu is not on our disposable list. The list is updated regularly, and new throwaway domains appear all the time.
What are the MX records for rpi.edu?
mail.rpi.edu (priority 1).
Does rpi.edu have SPF and DMARC?
SPF: yes, ending -all. DMARC: yes, policy none.

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