Creating a certificate of mailing job on the SendPro MailCenter 1000, 2000, and 3000

To obtain a Certificate of Mailing, print an indicia for Proof of Induction payment on your SendPro MailCenter and attach it to USPS® Form 3817, 3665, or 3606-D.
Products affected: SendPro® MailCenter 1000, SendPro® MailCenter 2000, SendPro® MailCenter 3000

To obtain a Certificate of Mailing, print an indicia for Proof of Induction payment on your SendPro MailCenter and attach it to USPS Form 3817, 3665, or 3606-D.

Watch this video or follow the instructions below to learn how to create a certificate of mailing job.

  1. Select Jobs on the Home screen.
  2. Select Create a New Job.
  3. Select the job type, which should be either Certificate of mailing (Domestic) or Certificate of mailing (International) and then click OK.
  4. Enter the single bulk payment amount and select OK.
  5. If necessary, select an account.
  6. Select Start or Tape to print the certificate and attach it to Form 3817, 3665, or 3606-D.

UPDATED: July 16, 2026