The most common Jssi email format is {first}@jussi.com.br (e.g. jane@jussi.com.br), used in about 89% of observed Jssi work emails. Jssi uses 2 address formats in total.
Most likely format — based on 163 observed addresses
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Jssi email formats
89.0% of observed Jssi addresses use the {first}@ format.
Email formatExampleShare
{first}@jussi.com.br
Examplejane@jussi.com.br
Share89.0%
{first}.{last}@jussi.com.br
Examplejane.doe@jussi.com.br
Share11.0%
Derived from 163 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 Jssi, that means testing {first}@jussi.com.br 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 Jssi email format is {first}@jussi.com.br (for example jane@jussi.com.br), used in about 89% of observed Jssi work addresses. Jssi also uses 1 other format for name collisions.
How accurate is this Jssi email format?
This format is derived from 163 real Jssi 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 Jssi email?
Apply the most common pattern to the person's name (e.g. jane@jussi.com.br), 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 Jssi use?
Beyond {first}@jussi.com.br, observed formats include {first}.{last}@jussi.com.br, in descending order of frequency.
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