Email form not working on my hostserver

The Email ‍Form ‍via ‍Server ‍option does not work on my hostserver. My host uses the ‘mail-a-form’ option, where the page starts with <FORM METHOD=“post ACTION=”/cgi-bin/mail-a-form". This option worked on my old website, but leaves no room for the beautiful layout options of Sparkle.
How can I receive mail input from a visitor, with the input options she/he has used on my page?

greetings, Geert

You can use the “Advanced form submission” option of the button, and set the URL to /cgi-bin/mail-a-form:

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In this day and age it should be possible to have an outgoing mail server of some sort, maybe they have it and you just need to ask.