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Recipient List Format
Only .csv files are accepted and they must:
- Be less than 250 megabytes
- Be comma delimited
- Have a header row that identifies each column with a name
- Have column names no longer than 50 characters
- Not contain custom field values with 8-bit ASCII characters or the following reserved characters <,>,", &
- Not contain custom field values longer than 255 characters
The following columns are reserved by our system and cannot be used:
- EmailAddress
- ContactId
- Id
- Unsubscribe
- SenderAddress