The most common Sinclair Oil Corporation email format is {f}{last}@sinclairoil.com (e.g. jdoe@sinclairoil.com), used in about 97% of observed Sinclair Oil Corporation work emails. Sinclair Oil Corporation uses 5 address formats in total.
Most likely format — based on 566 observed addresses
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Sinclair Oil Corporation email formats
97.2% of observed Sinclair Oil Corporation addresses use the {f}{last}@ format.
Email formatExampleShare
{f}{last}@sinclairoil.com
Examplejdoe@sinclairoil.com
Share97.2%
{first}{last}@sinclairoil.com
Examplejanedoe@sinclairoil.com
Share1.8%
{first}@sinclairoil.com
Examplejane@sinclairoil.com
Share0.7%
{first}.{last}@sinclairoil.com
Examplejane.doe@sinclairoil.com
Share0.2%
{first}{l}@sinclairoil.com
Examplejaned@sinclairoil.com
Share0.2%
Derived from 566 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 Sinclair Oil Corporation, that means testing {f}{last}@sinclairoil.com 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.
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The most common Sinclair Oil Corporation email format is {f}{last}@sinclairoil.com (for example jdoe@sinclairoil.com), used in about 97% of observed Sinclair Oil Corporation work addresses. Sinclair Oil Corporation also uses 4 other formats for name collisions.
How accurate is this Sinclair Oil Corporation email format?
This format is derived from 566 real Sinclair Oil Corporation 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 Sinclair Oil Corporation email?
Apply the most common pattern to the person's name (e.g. jdoe@sinclairoil.com), 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 Sinclair Oil Corporation use?
Beyond {f}{last}@sinclairoil.com, observed formats include {first}{last}@sinclairoil.com, {first}@sinclairoil.com, {first}.{last}@sinclairoil.com, {first}{l}@sinclairoil.com, in descending order of frequency.
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