Mutt crashed with a core dump when I attempted to quit from it, in the process of closing the current mailbox. Here is the GDB output: This GDB was configured as "i386-redhat-linux"... Core was generated by `mutt'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/lib/libncurses.so.4...done. Reading symbols from /lib/libc.so.6...done. Reading symbols from /lib/ld-linux.so.2...done. Reading symbols from /lib/libnss_files.so.2...done. #0 0x400b1e96 in chunk_free (ar_ptr=0x40146040, p=0x84332f0) at malloc.c:3033 3033 malloc.c: No such file or directory. (gdb) where #0 0x400b1e96 in chunk_free (ar_ptr=0x40146040, p=0x84332f0) at malloc.c:3033 #1 0x400b1d75 in __libc_free (mem=0x84332f8) at malloc.c:2959 #2 0x808d48b in safe_free (p=0x84333e4) at lib.c:117 #3 0x8080734 in rfc822_free_address (p=0x843331c) at rfc822.c:85 #4 0x808e66f in mutt_free_envelope (p=0x84332dc) at muttlib.c:485 #5 0x808e1ba in mutt_free_header (h=0x80d83b4) at muttlib.c:262 #6 0x80714dc in mx_fastclose_mailbox (ctx=0x80c3a18) at mx.c:712 #7 0x8071b49 in mx_close_mailbox (ctx=0x80c3a18) at mx.c:941 #8 0x805a03a in mutt_index_menu () at curs_main.c:760 #9 0x806b383 in main (argc=1, argv=0xbffffb14) at main.c:724 Mutt 1.1.1i (1999-11-08) Copyright (C) 1996-9 Michael R. Elkins and others. Mutt comes with ABSOLUTELY NO WARRANTY; for details type `mutt -vv'. Mutt is free software, and you are welcome to redistribute it under certain conditions; type `mutt -vv' for details. System: Linux 2.2.12-20 [using ncurses 4.2] Compile options: -DOMAIN -HOMESPOOL +USE_SETGID +USE_DOTLOCK +USE_FCNTL -USE_FLOCK -USE_IMAP -USE_GSS -USE_POP +HAVE_REGCOMP -USE_GNU_REGEX +HAVE_COLOR +HAVE_PGP5 +HAVE_PGP2 -BUFFY_SIZE -EXACT_ADDRESS +ENABLE_NLS +COMPRESSED SENDMAIL="/usr/sbin/sendmail" MAILPATH="/var/spool/mail" SHAREDIR="/usr/local/share/mutt" SYSCONFDIR="/usr/local/etc" ISPELL="/usr/bin/ispell" _PGPPATH="/usr/bin/pgp" _PGPV2PATH="/usr/bin/pgp" _PGPV3PATH="/usr/bin/pgp" Adam