The most common GSK email format is {first}.{last}@hotmail.be (e.g. jane.doe@hotmail.be), used in about 39% of observed GSK work emails. GSK uses 8 address formats in total.
Most likely format — based on 1,031 observed addresses
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GSK email formats
39.3% of observed GSK addresses use the {first}.{last}@ format.
Email formatExampleShare
{first}.{last}@hotmail.be
Examplejane.doe@hotmail.be
Share39.3%
{first}{last}@hotmail.be
Examplejanedoe@hotmail.be
Share29.1%
{last}{first}@hotmail.be
Exampledoejane@hotmail.be
Share5.8%
{first}_{last}@hotmail.be
Examplejane_doe@hotmail.be
Share5.7%
{last}.{first}@hotmail.be
Exampledoe.jane@hotmail.be
Share4.5%
{f}{last}@hotmail.be
Examplejdoe@hotmail.be
Share4.5%
{first}@hotmail.be
Examplejane@hotmail.be
Share3.4%
{f}.{last}@hotmail.be
Examplej.doe@hotmail.be
Share3.3%
Derived from 1,031 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 GSK, that means testing {first}.{last}@hotmail.be 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 GSK email format is {first}.{last}@hotmail.be (for example jane.doe@hotmail.be), used in about 39% of observed GSK work addresses. GSK also uses 7 other formats for name collisions.
How accurate is this GSK email format?
This format is derived from 1,031 real GSK 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 GSK email?
Apply the most common pattern to the person's name (e.g. jane.doe@hotmail.be), 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 GSK use?
Beyond {first}.{last}@hotmail.be, observed formats include {first}{last}@hotmail.be, {last}{first}@hotmail.be, {first}_{last}@hotmail.be, {last}.{first}@hotmail.be, {f}{last}@hotmail.be, {first}@hotmail.be, {f}.{last}@hotmail.be, in descending order of frequency.
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