Email format guide
GitHub email format
Suggested email patterns for github.com, with confidence signals and validation tools to test likely addresses before outreach.
Domain
github.com
Primary pattern
firstname
Confidence
Medium
Suggested GitHub email address patterns
The most likely GitHub email format is firstname@github.com. Use the examples below to generate candidates for a specific person, then validate the address before sending.
First name
firstname@github.com
jane@github.com
HighFirst name dot last name
firstname.lastname@github.com
jane.doe@github.com
MediumFirst initial last name
flastname@github.com
jdoe@github.com
MediumFirst name underscore last name
firstname_lastname@github.com
jane_doe@github.com
LowRepository notes
- Source
- Seeded repository entry
- Signals
- Manually seeded company pattern
- Industry
- Developer tools
- Provider hint
- Enterprise mail
Validate generated emails
A format can be common while a specific mailbox is still invalid. Run an EmailCheq validation before sending.
Validate an emailHow to use this format
- 1. Start with the strongest pattern for github.com.
- 2. Generate likely addresses for the person you want to reach.
- 3. Validate the best candidate before sending a sales or recruiting email.
Why validation matters
Company email formats can vary by department, region, and account age. A format can be common while a specific mailbox is still inactive, catch-all, or risky for outreach.
More company formats