Data Requirements
Addresses can be submitted via e-mail. Listed are types of files we can process:
Access
ASCII Comma Delimited![]()
Excel![]()
If you have other files than the types listed above please contact sarenz@depaul.edu
Requirements of Mailing Piece
All automated mail must have the DePaul permit (indicia) and must be tabbed closed. If you have any concerns, please e-mail us.
Minimum Size Requirements
| First Class Presort: | Non-Profit: |
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Processing Time
| Up to 5,000 5,001 - 20,000 20,000 - 30,000 30,001 + |
1-2 working days 2-3 working days 3-4 working days 5 or more working days |
Delivery Time
Once done processing and sent to the United States Post Office (USPS), delivery times are estimated as:
1st Class within 1-3 Business days
Non-Profit Class within 5 -10 Business days
NOTE: Holiday seasons will always add delivery times through the United States Post Office (USPS)
Postal Costs
Costs are dependent upon size of piece, concentration of zip code distribution, 1st or non-profit rate class.
Automation reduces postage expense by preparing the pieces in such a way to take advantage of the United States Post Office's (USPS) automation equipment.
Compares your list with official USPS national address database
Automatically sorts mail from the lowest to the highest qualifying sort
Automated 1st class mailing can save approximately 10% in postage costs per piece.
Automated 3rd class mailing can save approximately 27% in postage costs per piece.
![]() No tabbing required for all envelopes |
Postcard
![]() No tabbing required |
Self-Mailer
![]() One tab at the top is required |
![]() Two tabs at the bottom are required |


