Just simply use our address as your undelivered returns address and ESP will accept your undelivered mail free of charge. Plus, if you require, we capture the data of those returns and supply this securely to keep your database updated. This not only helps to cleanse your database but saves money in the long-term.
If you do get a lot of returns ESP have the answer, there are many steps that can be taken to improve the deliverability of your mailing campaign. See our data processing options.