> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.quantumdigital.com/sitemap.xml
> Use this file to discover available pages before exploring further.
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# What postage is used for my mailings?

You have a choice of First-Class Presort or Marketing Mail. Typical delivery time by the U.S. Postal Service on average for First-Class Presort is 5 to 8 business days and 8 to 14 business days for Marketing Mail.

**Please note:** Due to factors beyond our control, QuantumDigital is not responsible for postal delays of time-sensitive materials.