The most common FOI email format is {first}.{last}@foi.se (e.g. jane.doe@foi.se), used in about 98% of observed FOI work emails. FOI uses 4 address formats in total.
Most likely format — based on 460 observed addresses
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FOI email formats
98.0% of observed FOI addresses use the {first}.{last}@ format.
Email formatExampleShare
{first}.{last}@foi.se
Examplejane.doe@foi.se
Share98.0%
{first}@foi.se
Examplejane@foi.se
Share0.9%
{first}{l}@foi.se
Examplejaned@foi.se
Share0.7%
{last}@foi.se
Exampledoe@foi.se
Share0.4%
Derived from 460 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 FOI, that means testing {first}.{last}@foi.se 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 FOI email format is {first}.{last}@foi.se (for example jane.doe@foi.se), used in about 98% of observed FOI work addresses. FOI also uses 3 other formats for name collisions.
How accurate is this FOI email format?
This format is derived from 460 real FOI 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 FOI email?
Apply the most common pattern to the person's name (e.g. jane.doe@foi.se), 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 FOI use?
Beyond {first}.{last}@foi.se, observed formats include {first}@foi.se, {first}{l}@foi.se, {last}@foi.se, in descending order of frequency.
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