I want to create a physical mailing list, is there a program/site I can use?

Heya!
I want to create a physical mailing list for my business, so that I may be able to send physical newsletters, I'm just wondering if anybody knows of any apps or websites that may allow me to create a sign up form to collect that data?

submitted by /u/charliecheesman
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source https://www.reddit.com/r/Emailmarketing/comments/gdrmtb/i_want_to_create_a_physical_mailing_list_is_there/