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The URL to use depends on your MailUp account's unique URL. If your MailUp admin console address is xyzw.espsrv.com, the correct action URL for the form (the URL of the form handler) will be http://xyzw.espsrv.com/frontend/Xmlchksubscriber.aspx
REQUEST PARAMETERS
Name | Mandatory? | Description |
ListGuid | Y | Alphanumeric code associated to a distribution list |
List | Y | List ID |
N (1) | User email address | |
Sms | N (1) | User mobile number, with international prefix (2) |
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