What are you using to send the SMS?  Presumably, whatever service you're using requires root permissions...  Try 

$ su -l user -c "strace -f /usr/bin/perl /path/to/script/script.cgi"

[download]

to see whichever file access under the hood is returning with "EACCES (Permission denied)".

In reply to Re: Problem with Permission by almut
in thread Problem with Permission by roc

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