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>4. Revision History</H1
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><B
>Revision History</B
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><TR
><TD
ALIGN="LEFT"
>Revision 1.0</TD
><TD
ALIGN="LEFT"
>2004-09-08</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>First public release.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.18</TD
><TD
ALIGN="LEFT"
>2004-09-07</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Incorporated second language review from Tom Wright.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.17</TD
><TD
ALIGN="LEFT"
>2004-09-06</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Incorporated language review from Tom Wright.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.16</TD
><TD
ALIGN="LEFT"
>2004-08-13</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Incorporated third round of changes from Devdas Bhagat.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.15</TD
><TD
ALIGN="LEFT"
>2004-08-04</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Incorporated second round of changes from technical
review by Devdas Bhagat.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.14</TD
><TD
ALIGN="LEFT"
>2004-08-01</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Incorporated technical review comments/corrections from
Devdas Bhagat.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.13</TD
><TD
ALIGN="LEFT"
>2004-08-01</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Incorporated technical review from Joost De Cock.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.12</TD
><TD
ALIGN="LEFT"
>2004-07-27</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Replaced "A Note on Controversies" with a more
opinionated "The Good, The Bad, the Ugly" section. Also
rewrote text on DNS blocklists. Some corrections from
Seymour J. Metz.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.11</TD
><TD
ALIGN="LEFT"
>2004-07-19</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Incorporated comments from Rick Stewart on RMX++.
Swapped order of "Techniques" and "Considerations".
Minor typographic fixes in Exim implementation.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.10</TD
><TD
ALIGN="LEFT"
>2004-07-16</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Added <?dbhtml..?> tags to control generated HTML
filenames - should prevent broken links from google etc.
Swapped order of "Forwarded Mail" and "User Settings".
Correction from Tony Finch on Bayesian filters;
commented out check for Subject:, Date:, and Message-ID:
headers per Johannes Berg; processing time subtracted
from SMTP delays per suggestion from Alan Flavell.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.09</TD
><TD
ALIGN="LEFT"
>2004-07-13</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Elaborated on problems with envelope sender signatures
and mailing list servers, and a scheme to make such
signatures optional per host/domain for each user.
Moved "Considerations" section out as a separate
chapter; added subsections "Blocking Access to other
SMTP Server", "User Settings" and "Forwarded Mail".
Incorporated Matthew Byng-Maddick's comments on the
mechanism used to generate these signatures, Chris
Edwards' comments on sender callout verification, and
Hadmut Danisch's comments on RMX++ and other topics.
Changed license terms (GPL instead of GFDL).</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.08</TD
><TD
ALIGN="LEFT"
>2004-07-09</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Additional work on Exim implementation: Added section on
per-user settings and data for SpamAssassin per
suggestion from Tollef Fog Heen. Added SPF checks via
Exiscan-ACL. Corrections from Sam Michaels.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.07</TD
><TD
ALIGN="LEFT"
>2004-07-08</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Made corrections to the Exim Envelope Sender Signatures
examples, and added support for users to "opt in" to
this feature, per suggestion from Christian Balzer.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.06</TD
><TD
ALIGN="LEFT"
>2004-07-08</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Incorporated Exim/MySQL greylisting implementation and
various corrections from Johannes Berg. Moved "Sender
Authorization Schemes" up two levels to become a
top-level section in the Techniques chapter. Added
greylisting for NULL empty envelope senders after DATA.
Added SpamAssassin configuration to match Exim examples.
Incorporated corrections from Dominik Ruff, Mark
Valites, "Andrew" at Supernews.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.05</TD
><TD
ALIGN="LEFT"
>2004-07-07</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Eliminated the (empty) Sendmail implementation for now,
to move ahead with the final review process.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.04</TD
><TD
ALIGN="LEFT"
>2004-07-06</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Reorganized layout a little: Combined "SMTP-Time
Filtering", "Introduction to SMTP", and "Considerations"
into a single "Background" chapter. Split the previous
"Building ACLs" section in the Exim implementation into
top-level sections. Added alternate sender
authorization schemes to SPF: Microsoft Caller-ID for
E-Mail and RMX++. Incorporated comments from Ken
Raeburn.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.03</TD
><TD
ALIGN="LEFT"
>2004-07-02</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Added discussion on Multiple Incoming Mail Exchangers;
minor corrections related to Sender Callout Verification.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.02</TD
><TD
ALIGN="LEFT"
>2004-06-30</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Added Exim implementation as an appendix</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.01</TD
><TD
ALIGN="LEFT"
>2004-06-16</TD
><TD
ALIGN="LEFT"
>Revised by: TS</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Initial draft.</TD
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