Source guide
Verify emails before importing to Mailshake
Mailshake is a cold email and sales engagement tool. Imports of long lists are where bad addresses slip in. Filter to valid in the file you import.
Example
A sample file (fictional data)
| first_name | company | result | import | |
|---|---|---|---|---|
| ana@northwind.example.test | Ana | Northwind Studio | valid | yes |
| info@brightside.example.test | Brightside Digital | role | review | |
| raj@quill.example.test | Raj | Quill & Co | catchall | test batch |
| bob@gone.example.test | Bob | Gone Ltd | invalid | no |
Fictional rows. The import column is your decision per result; add it after you download results.
Import only what you decided to send
Sequences send from your own mailboxes, so every bounce counts against your domain. Import valid addresses; hold role for a deliberate choice; put catchall into a small test sequence; retry unknown later; never import invalid or disposable.
Keep the file you imported
Download results with the original columns, filter on result, and import that file. Keep the verification date so you know when to re-check before a follow-up campaign.
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