version 1.0.28 of the DCC source

Vernon Schryver
Wed Sep 5 17:59:00 UTC 2001

I've released version 1.0.28 of the DCC source.  The CHANGES file
(see )
lists several modifications.  The two most important are to the
FUZ1 checksum and dccm's response to missing Message-ID headers.

To resolve variations in what appear to be hard end-of-lines including
the results of quoted-printable, the FUZ1 checksum no longer tries to
ignore the last line.  The only noticable effect of this change will
be that until all DCC clients install the new code, the effectiveness
of the system will be somewhat reduced.  A given unsolicited bulk message
seen by some other DCC client might not have the same FUZ1 checksum
computed by the local client.

Dccm now treats missing Message-ID headers as if they existed but had
an empty value.  If your mail configuration involves using SMTP
to sendmail for the mail submission protocol, so that your mail
user agents talk to sendmail with TCP instead of a UNIX pipe, 
and if you have not white-listed localhost (127.1) and your local
IP addresses, you will want to remove any "many message-id <>" lines
from your white lists.

Vernon Schryver

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