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He has suggested that one "safe" way of capturing / storing data from a feedback form would be to send it to a csv file rather than to us via an email.
The general idea is that you avoid sending sensitive data by email and I would simply access the form details in the csv file thru ftp.
Seems an unusual method and as someone who's always used php - with (almost) no difficulties - Im not comvinced.
What can anyone advise about this method of form data capture?
a more conventional way would be to save it to a local db and then access that through an administration section via https.
the other issue is that if this data is sensitive then you need https to collect the data from the user via the form as well.