>From: Alex <mysqlstud...@gmail.com>
>I'm having a problem with bounce messages being tagged as spam. What
>is the proper way to handle legitimate bounce messages these days? Is
>it safe to bypass scanning DSN bounce messages and route them directly
>with postfix?
Sender reputation is key to proper spam detection including bounces. You
could try out these rules with very low scores until you are comfortable with
them then set your own scores:
99_senderscore.cf
-------------------------
ifplugin Mail::SpamAssassin::Plugin::DNSEval
header __RCVD_IN_SENDERSCORE_90_100
eval:check_rbl('senderscore90-lastexternal','score.senderscore.com.','^127\.0\.4\.(9[0-9]|100)$')
meta RCVD_IN_SENDERSCORE_90_100 SPF_PASS &&
__RCVD_IN_SENDERSCORE_90_100
describe RCVD_IN_SENDERSCORE_90_100 Senderscore.org score of 90 to
100
score RCVD_IN_SENDERSCORE_90_100 -2.2
tflags RCVD_IN_SENDERSCORE_90_100 net
header __RCVD_IN_SENDERSCORE_80_89
eval:check_rbl('senderscorer80-lastexternal','score.senderscore.com.','^127\.0\.4\.(8[0-9])$')
meta RCVD_IN_SENDERSCORE_80_89 SPF_PASS &&
__RCVD_IN_SENDERSCORE_80_89
describe RCVD_IN_SENDERSCORE_80_89 Senderscore.org score of 80 to
89
score RCVD_IN_SENDERSCORE_80_89 -1.2
tflags RCVD_IN_SENDERSCORE_80_89 net
header RCVD_IN_SENDERSCORE_70_79
eval:check_rbl('senderscorer70-lastexternal','score.senderscore.com.','^127\.0\.4\.(7[0-9])$')
describe RCVD_IN_SENDERSCORE_70_79 Senderscore.org score of 70 to
79
score RCVD_IN_SENDERSCORE_70_79 1.2
tflags RCVD_IN_SENDERSCORE_70_79 net
header RCVD_IN_SENDERSCORE_60_69
eval:check_rbl('senderscorer60-lastexternal','score.senderscore.com.','^127\.0\.4\.(6[0-9])$')
describe RCVD_IN_SENDERSCORE_60_69 Senderscore.org score of 60 to
69
score RCVD_IN_SENDERSCORE_60_69 2.2
tflags RCVD_IN_SENDERSCORE_60_69 net
header RCVD_IN_SENDERSCORE_50_59
eval:check_rbl('senderscorer50-lastexternal','score.senderscore.com.','^127\.0\.4\.(5[0-9])$')
describe RCVD_IN_SENDERSCORE_50_59 Senderscore.org score of 50 to
59
score RCVD_IN_SENDERSCORE_50_59 3.2
tflags RCVD_IN_SENDERSCORE_50_59 net
header RCVD_IN_SENDERSCORE_30_49
eval:check_rbl('senderscorer30-lastexternal','score.senderscore.com.','^127\.0\.4\.([3-4][0-9])$')
describe RCVD_IN_SENDERSCORE_30_49 Senderscore.org score of 30 to
49
score RCVD_IN_SENDERSCORE_30_49 4.2
tflags RCVD_IN_SENDERSCORE_30_49 net
header RCVD_IN_SENDERSCORE_0_29
eval:check_rbl('senderscore0-lastexternal','score.senderscore.com.','^127\.0\.4\.([1-2]?[0-9])$')
describe RCVD_IN_SENDERSCORE_0_29 Senderscore.org score of 0 to 29
score RCVD_IN_SENDERSCORE_0_29 5.2
tflags RCVD_IN_SENDERSCORE_0_29 net
endif
99_mailspike.cf
-----------------------
shortcircuit RCVD_IN_MSPIKE_H5 on
score RCVD_IN_MSPIKE_H4 -3.2
score RCVD_IN_MSPIKE_H3 -2.2
score RCVD_IN_MSPIKE_H2 -1.2
score RCVD_IN_MSPIKE_WL -0.82
score RCVD_IN_MSPIKE_BL 1.2
score RCVD_IN_MSPIKE_L2 0.2
score RCVD_IN_MSPIKE_L3 1.2
score RCVD_IN_MSPIKE_L4 2.2
score RCVD_IN_MSPIKE_L5 3.2
Dave
