Resolves: rhbz#1615158 Dropped dynlookup-config patch (merged into config patch) Dropped dec64table-read-fix patch (already upstream) Dropped unused patches De-fuzzified patches
105 lines
4.0 KiB
Diff
105 lines
4.0 KiB
Diff
diff --git a/src/configure.default b/src/configure.default
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index 6966ad3..dd5bfeb 100644
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--- a/src/configure.default
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+++ b/src/configure.default
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@@ -109,6 +109,7 @@ hostlist relay_from_hosts = localhost
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acl_smtp_rcpt = acl_check_rcpt
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acl_smtp_data = acl_check_data
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+acl_smtp_mime = acl_check_mime
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# You should not change those settings until you understand how ACLs work.
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@@ -121,7 +122,7 @@ acl_smtp_data = acl_check_data
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# of what to set for other virus scanners. The second modification is in the
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# acl_check_data access control list (see below).
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-# av_scanner = clamd:/tmp/clamd
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+av_scanner = clamd:/var/run/clamd.exim/clamd.sock
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# For spam scanning, there is a similar option that defines the interface to
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@@ -434,7 +435,8 @@ acl_check_rcpt:
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accept local_parts = postmaster
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domains = +local_domains
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- # Deny unless the sender address can be verified.
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+ # Deny unless the sender address can be routed. For proper verification of the
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+ # address, read the documentation on callouts and add the /callout modifier.
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require verify = sender
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@@ -544,27 +546,63 @@ acl_check_data:
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message = header syntax
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log_message = header syntax ($acl_verify_message)
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+ # Put simple tests first. A good one is to check for the presence of a
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+ # Message-Id: header, which RFC2822 says SHOULD be present. Some broken
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+ # or misconfigured mailer software occasionally omits this from genuine
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+ # messages too, though -- although it's not hard for the offender to fix
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+ # after they receive a bounce because of it.
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+ #
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+ # deny condition = ${if !def:h_Message-ID: {1}}
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+ # message = RFC2822 says that all mail SHOULD have a Message-ID header.\n\
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+ # Most messages without it are spam, so your mail has been rejected.
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+
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# Deny if the message contains a virus. Before enabling this check, you
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# must install a virus scanner and set the av_scanner option above.
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#
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# deny malware = *
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# message = This message contains a virus ($malware_name).
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- # Add headers to a message if it is judged to be spam. Before enabling this,
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- # you must install SpamAssassin. You may also need to set the spamd_address
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- # option above.
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+ # Bypass SpamAssassin checks if the message is too large.
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#
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- # warn spam = nobody
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- # add_header = X-Spam_score: $spam_score\n\
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- # X-Spam_score_int: $spam_score_int\n\
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- # X-Spam_bar: $spam_bar\n\
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- # X-Spam_report: $spam_report
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+ # accept condition = ${if >={$message_size}{100000} {1}}
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+ # add_header = X-Spam-Note: SpamAssassin run bypassed due to message size
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- # Accept the message.
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+ # Run SpamAssassin, but allow for it to fail or time out. Add a warning message
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+ # and accept the mail if that happens. Add an X-Spam-Flag: header if the SA
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+ # score exceeds the SA system threshold.
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+ #
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+ # warn spam = nobody/defer_ok
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+ # add_header = X-Spam-Flag: YES
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+ #
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+ # accept condition = ${if !def:spam_score_int {1}}
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+ # add_header = X-Spam-Note: SpamAssassin invocation failed
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+ #
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+
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+ # Unconditionally add score and report headers
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+ #
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+ # warn add_header = X-Spam-Score: $spam_score ($spam_bar)\n\
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+ # X-Spam-Report: $spam_report
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+
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+ # And reject if the SpamAssassin score is greater than ten
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+ #
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+ # deny condition = ${if >{$spam_score_int}{100} {1}}
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+ # message = Your message scored $spam_score SpamAssassin point. Report follows:\n\
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+ # $spam_report
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accept
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+acl_check_mime:
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+
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+ # File extension filtering.
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+ deny message = Blacklisted file extension detected
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+ condition = ${if match \
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+ {${lc:$mime_filename}} \
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+ {\N(\.exe|\.pif|\.bat|\.scr|\.lnk|\.com)$\N} \
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+ {1}{0}}
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+
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+ accept
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+
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######################################################################
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# ROUTERS CONFIGURATION #
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