Hi, I have been using mutt without trouble on OS X for several weeks until today, when suddenly I got "/var/mail/$username is not a mailbox". What on earth happened? I haven't done a thing to my mailspool file, nor to .muttrc. The only thing I can think of that might have somehow caused this is that I set up fetchmail as a cronjob and did not specify where to send output (so it would get mailed to me). I have since taken that out of crontab.
I can cat my /var/mail/$username file; there *is* mail there. Perms are 600, owner is username, group is mail. I have Googled this extensively and found no useful answer, so have been forced to revert to claws-mail for an MUA -- arrgh! TIA