Package: mutt Version: 1.5.6-20040907+3 Severity: normal If a message lacks an @ ('at') symbol in the Message-ID field, Mutt refuses to connect messages to it, even if they correctly specify the In-Reply-To header.
Further, connecting a thread manually using the '&' key (link-threads) lasts only while that mailbox index is open. Reopening the mailbox loses the linkage. Specifying a Message-ID without a domain is highly unusual, and goes against a 'RECOMMENDED' clause in RFC 2822, but the only 'MUST' clause relating to Message-ID is that it be unique. Also, some MTAs do specify a domain, but use the word "at" or some other text as their delimiter, and these are in full compliance even with the 'RECOMMENDED' clause. -- System Information: Debian Release: 3.1 APT prefers testing APT policy: (500, 'testing'), (300, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.6.10-1-686 Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8) Versions of packages mutt depends on: ii libc6 2.3.2.ds1-20 GNU C Library: Shared libraries an ii libdb4.2 4.2.52-18 Berkeley v4.2 Database Libraries [ ii libgnutls11 1.0.16-9 GNU TLS library - runtime library ii libidn11 0.5.2-3 GNU libidn library, implementation ii libncursesw5 5.4-4 Shared libraries for terminal hand ii libsasl2 2.1.19-1.5 Authentication abstraction library ii postfix [mail-transport-age 2.1.5-6 A high-performance mail transport -- no debconf information -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]