[lug] sendmail won't send mail

[jason at matchingmoms.com]

I would expect the following command to have mailed the contents of the 'sendstuff' file to myself, but it did not:

friejas ~/debian/sendmail$ /usr/sbin/sendmail friejas <sendstuff
friejas ~/debian/sendmail$ mail
Mail version 8.1 6/6/93.  Type ? for help.
"/var/spool/mail/friejas": 1 message
>   1 MAILER-DAEMON at powerp  Thu Mar 22 20:59  13/539   "DON'T DELETE THIS MESSAGE -- FOLDER INTERNAL DATA"
& q
Unable to lock mailbox: Permission denied
friejas ~/debian/sendmail$ mail

Can anyone help?
Thank you,
Jason
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