Hello Fredrik,
 
With help of a colleque I found an error in a file, which only occurers if you forward or reply a message and has in the header field CC.
The colleque has changed a setting for me and now the errors are gone at this point. We are testing it again.
 
Thanks for your reply,
Johan
 
> Date: Sun, 18 Nov 2012 14:01:28 +0100
> From: jervfors@squirrelmail.org
> To: squirrelmail-users@lists.sourceforge.net
> Subject: Re: [SM-USERS] error message Squirrelmail help! : You don't have permission to access /webmail/src/compose.php on this server
>
> > I have Squirrelmail as webmail client installed on my server, but I get
> > some questions about messages that people get which I can't explain.
> > Hopefully someone on this list.
> >
> > 1. Login is going ok for the user and he can reads his e-mail.
> > 2. When he try's to send an e-mail (compose) he sometimes get a message
> > "You don't have permission to access /webmail/src/compose.php on this
> > server".
> > 3. While I as admin user do not have problems.
> >
> > Is there someone on the list who can explain it, is it a memory problem
> > of the server or a configuration error or something on the user side
>
> My first guess would be a filesystem permission error. Compare the file
> permissions of the files in webmail to each other.
>
> How did you install SquirrelMail; manually or by other means?
>
> Sincerely,
> Fredrik
>
>
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