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65 lines
2.8 KiB
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65 lines
2.8 KiB
Plaintext
This directory contains the source files for mail.local.
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This is not intended to be used on *stock* System V derived systems such as
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Solaris or HP-UX, since they use a totally different approach to mailboxes
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(essentially, they have a set-group-ID program rather than set-user-ID, and
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they rely on the ability to "give away" files to do their work).
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If you choose to run *this* mail.local on these systems then you may also
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need to replace the existing MUAs, as well as IMAP and POP servers, with
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ones that are compatible with the BSD interface. You have been warned!
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For systems with maillock() support, compile with -DMAILLOCK and link with
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-lmail to use the maillock() routines. This can be accomplished in your
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site.config.m4 file with:
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APPENDDEF(`conf_mail_local_ENVDEF', `-DMAILLOCK')
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APPENDDEF(`conf_mail_local_LIBS', `-lmail')
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Defining CONTENTLENGTH (-DCONTENTLENGTH) will build a mail.local which
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outputs a Content-Length: header. Solaris 2.3 and later will automatically
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include Content-Length: support. This can be accomplished in your
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site.config.m4 file with:
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APPENDDEF(`conf_mail_local_ENVDEF', `-DCONTENTLENGTH')
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Defining MAILGID to a 'gid' (-DMAILGID=6) will cause mailboxes to be
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written group writable and with group 'gid'. This can be accomplished in
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your site.config.m4 file with:
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APPENDDEF(`conf_mail_local_ENVDEF', `-DMAILGID=6')
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mail.local will not be installed set-user-ID root. To use it as local
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delivery agent without LMTP mode, use:
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MODIFY_MAILER_FLAGS(`LOCAL', `+S')
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in the .mc file.
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Defining HASHSPOOL (-DHASHSPOOL) will build a mail.local which supports
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delivering to subdirectories of the mail spool, based on a hash of the
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username (i.e., a hash depth of 2 and a username of "user" will result in
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/var/spool/mail/u/s/user). If the hash depth is greater than the length
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of the username, "_" will be used. The necessary subdirectories must
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exist; mail.local will not create them. Use the "-H" option to set the
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hash type and depth (like "-H u2" for a username hash two levels deep).
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The HASHSPOOL option also adds two other options: "-p path" to specify
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an alternate mail spool path (i.e., "-p /local/mail") and "-n" to specify
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that mail.local should not strip the @domain part of recipient addresses
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in LMTP mode.
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In addition to HASHSPOOL, defining HASHSPOOLMD5 and linking against
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libcrypto from OpenSSL like:
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APPENDDEF(`conf_mail_local_ENVDEF', `-DHASHSPOOL -DHASHSPOOLMD5')
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APPENDDEF(`conf_mail_local_LIBS', `-lcrypto')
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will offer an alternate hash, using a base64 encoding (changing / to _)
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of an MD5 hash of the username. This results in a more balanced
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subdirectory tree. The subdirectories will be named with A-Z, a-z, 0-9,
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+, and _. The hash type is "m", so use "-H m3" to get a three level MD5
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based hash.
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$Revision: 8.11 $, Last updated $Date: 2003/10/20 20:19:13 $
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