The most common IPAS email format is {last}{f}@ipas.org (e.g. doej@ipas.org), used in about 99% of observed IPAS work emails. IPAS uses 4 address formats in total.
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IPAS email formats
98.6% of observed IPAS addresses use the {last}{f}@ format.
Email formatExampleShare
{last}{f}@ipas.org✓ verified
Exampledoej@ipas.org
Share98.6%
{f}{last}@ipas.org
Examplejdoe@ipas.org
Share0.9%
{first}.{last}@ipas.org
Examplejane.doe@ipas.org
Share0.2%
{first}{l}@ipas.org
Examplejaned@ipas.org
Share0.2%
Derived from 438 real observed addresses · data refreshed 2026-05-30. Role-based inboxes (info@, sales@, …) are excluded from format detection.
Verify the pattern before you send
Start with the format that appears most often. For IPAS, that means testing {last}{f}@ipas.org first, then verifying the exact address before it reaches your CRM or sequencer. A pattern can be common and still produce bad guesses when a person uses a nickname, a middle initial, a regional mailbox, or an older alias.
VeriMails checks syntax, MX records, SMTP behavior, disposable domains, and catch-all detection so you can keep valid addresses and skip risky ones. For larger files, credits start at $19 for 10,000 verifications and never expire. Create a free account, test the pattern on a few addresses, then buy more credits only when you need volume. Run the check again before a large campaign if the list is old, because domains change mail routing and people leave.
The most common IPAS email format is {last}{f}@ipas.org (for example doej@ipas.org), used in about 99% of observed IPAS work addresses. IPAS also uses 3 other formats for name collisions.
How accurate is this IPAS email format?
This format is derived from 438 real IPAS addresses observed across our data, not guessed. To confirm a specific address, use the live verifier above — it checks deliverability in real time.
How do I find and verify a specific person's IPAS email?
Apply the most common pattern to the person's name (e.g. doej@ipas.org), then verify it on this page — or use the Find tab to get the likely address from their name automatically.
What other email formats does IPAS use?
Beyond {last}{f}@ipas.org, observed formats include {f}{last}@ipas.org, {first}.{last}@ipas.org, {first}{l}@ipas.org, in descending order of frequency.
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