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Add private relay.

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This commit is contained in:
Stuart Gathman
2007-01-23 19:46:20 +00:00
parent e5685c6035
commit 83529320ae
5 changed files with 44 additions and 29 deletions
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TODO
+25 -26
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@@ -1,12 +1,8 @@
Need to use wildcards in blacklist.log: *.madcowsrecord.net
Need to exclude emails like !*-admin@example.com in whitelist_sender.
Need to exclude robot users from autowhitelist. Don't want to have to
list all users, so implement something like !*-admin@bmsi.com,@bmsi.com.
Milter won't start when a whitelist/blacklist file is missing.
Milter won't start when it can't change permissions on *.lock to match
*.log. Should maybe ignore that error - the effect will be to set
the permissions to default.
GOSSiP feedback from user training is ignored because UMIS has already been
removed from queue. Maybe keep UMIS in queue, and add method to
alter last feedback for ID.
@@ -15,27 +11,17 @@ Generate DSNs according to RFC 3464
Get temperror policy from access file.
When training with spam, REJECT after data so that mistakenly blacklisted
senders at least get an error.
Reporting explanation for failure should show source if sender
provided explanation.
Bug in Auto-whitelist. Recent Auto-whitelist doesn't override expired entry.
Need to use wildcards in blacklist.log: *.madcowsrecord.net
Need to exclude emails like !*-admin@example.com in whitelist_sender.
SPF permerror diagnostics should include corrected mechanism.
Delay SPF check until RCPT TO. Cache result to avoid repeating
for multiple RCPT. This avoids overhead for invalid RCPT, and
allows for per RCPT local policy.
Add auto-blacklisted senders to blacklist.log with timestamp.
Received-SPF header field should show identity that was checked.
Check SPF for outgoing mail (including local policy for internal addresses).
This could also solve the second part of the mail from relay problem below.
@@ -47,6 +33,7 @@ For selected domains, check rcpts via CBV before accepting mail. Cache
results. This will kick out dictonary attacks against a mail domain
behind a gateway sooner.
Add auto-blacklisted senders to blacklist.log with timestamp.
Add emails blacklisted via CBV so that they are remembered across milter
restarts.
@@ -59,9 +46,6 @@ to train on error to minimize labor.
Allow unsigned DSNs from selected domains (that don't accept signed MFROM,
e.g. verizon.net).
Added Message-ID header to DSN with SRS signed sender. When seen on incoming
rfc ignorant failure message, blacklist sender.
Allow verified hostnames for trusted_relay. E.g. HELO name that
passes SPF.
@@ -86,11 +70,9 @@ wildcard (e.g. empty localpart).
Quarantined mail is missing headers modified/added by milter after
checking dspam.
Require signed MFROM for all incoming bounces when signing all outgoing mail -
except from trusted relays.
Send DSN for permerror before processing extended result. An additional
DSN may be sent based on extended result.
DSN may be sent based on extended result. Send permerror DSN to
postmaster@sending_domain.
Rescind whitelist for banned extensions, in case sender is infected.
@@ -104,9 +86,6 @@ SPF-Neutral:aol.com ERROR:"550 AOL mail must get SPF PASS"
Defer TEMPERROR in SPF evaluation - give precedence to security
(only defer for PASS mechanisms).
Option to add Received-SPF header, but never reject on SPF.
I think the above will handle this.
Create null config that does nothing - except maybe add Received-SPF
headers. Many admins would like to turn features on one at a time.
@@ -153,6 +132,26 @@ Need a test module to feed sample messages to a milter though a live
sendmail and SMTP. The mockup currently used is probably not very accurate,
and doesn't test the threading code.
DONE Require signed MFROM for all incoming bounces when signing all outgoing
mail - except from trusted relays.
DONE Added Message-ID header to DSN with SRS signed sender. When seen on
incoming rfc ignorant failure message, blacklist sender.
DONE Option to add Received-SPF header, but never reject on SPF.
I think the above will handle this.
DONE Received-SPF header field should show identity that was checked.
DONE When training with spam, REJECT after data so that mistakenly blacklisted
senders at least get an error.
DONE Milter won't start when it can't change permissions on *.lock to match
*.log. Should maybe ignore that error - the effect will be to set
the permissions to default.
DONE Milter won't start when a whitelist/blacklist file is missing.
DONE Delayed failure detection should parse From header to find email address.
DONE When bms.py can't find templates, it passes None to dsn.create_msg(),