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Re: Has NFS changed recently?

Apologies; if it helps Emacs barfs with the following

Debugger entered--Lisp error: (wrong-type-argument stringp nil)
   string-match("^\\(imap\\|pop\\)s?$" nil nil)
   rmail-insert-inbox-text(("/var/spool/mail/jpff" "/mnt/snout/home/jpff/mbox") t)
   rmail-get-new-mail-1(nil ("/var/spool/mail/jpff" "/mnt/snout/home/jpff/mbox") nil)
   funcall-interactively(rmail-get-new-mail nil)
   call-interactively(rmail-get-new-mail nil nil)

where /mnt/snout is the NFS mounted filing system and /mnt/snout/home/jpff/mbox is the mailbox in question. the other, /var/spool/mail/jpff, is not used except in error cases

On Sun, 27 Jan 2019, Mike Kupfer wrote:

John wrote:

Mail is delivered into a mbox on the Debian server, and the disk is
mounted on the user machine via NFS so the mail can be read into emacs
from a simple file.  This has worked for many years.  But now with the
jessie->stretch upgrade it fails with emacs barfing.

Can you give more details, like the error message(s) from Emacs?