'Why is postfix trying to access /var/www/Maildir directory? [closed]

I just set up a postfix mail server on Ubuntu. To test it, I am trying to send an email from a web page (a simple php file).

When I look at /var/log/maillog file, I see the following:

postfix/local[43075]: warning: maildir access problem for UID/GID=33/33:
  create maildir file /var/www/Maildir/tmp/1653155391.P43075.mail3: Permission denied

I am wondering why does postfix try to access this non-existent directory. Do I simply create this directory or is there a better way? Thanks.



Solution 1:[1]

Regardless of the server-side solution you use, you can look for the HX-Request header. It will be set to true in all htmx requests. More information can be found here https://htmx.org/docs/#request-header

Solution 2:[2]

Yes you can do this in Django by using HTTP_HX_REQUEST of request.META like this:

def myview(request):
   if request.META.get('HTTP_HX_REQUEST'):
      print("HTMX is available")
   else:
      print("HTMX is not available")

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Alejandro
Solution 2