- 1Valid addressOtherwise: invalid address
- 2Not repeated in the fileOtherwise: duplicate in file
- 3Country acceptedOtherwise: region blocked
- 4Not on the do-not-contact listOtherwise: suppressed
- 5Not imported beforeOtherwise: already imported
- 6Passes email verificationRisky addresses are left out unless you allow them
Six checks, in a fixed order
Each address is tested for a valid format, a duplicate in the same file, an accepted country, the do-not-contact list, an earlier import and finally email verification. An address that fails a check is skipped with the reason, so you always see why a row did not come in.