I have Postfix 2.11 and policyd v1.82, all working well, small mail server
with couple dozen domains, typical traffic (1)

ocassionally users' password get compromised, and, get 'spam burst' sent

what sort of setting should I use in policyd to minimize or prevent such ?

currently have as so under senderthrottle, what else should I do ?

SENDERTHROTTLE=1
SENDER_THROTTLE_SASL=1
SENDER_THROTTLE_HOST=0
QUOTA_EXCEEDED_TEMP_REJECT=0
SENDER_QUOTA_REJECTION="Quota Exceeded."
SENDER_SIZE_REJECTION="Message size too big."
SENDERMSGLIMIT=100
SENDERRCPTLIMIT=100
SENDERQUOTALIMIT=50000000
SENDERTIMELIMIT=1h
SENDERMSGSIZE=10240000
SENDERMSGSIZE_WARN=50
SENDERMSGSIZE_PANIC=90
SENDER_INACTIVE_EXPIRE=31d
SENDER_THROTTLE_AUTOBLACKLIST=0
SENDER_THROTTLE_AUTOBLACKLIST_NUMBER=3
SENDER_THROTTLE_AUTOBLACKLIST_EXPIRE=6h


1
Per-Day Traffic Summary
-----------------------
    date          received  delivered   deferred    bounced     rejected
    --------------------------------------------------------------------
    Nov  1 2015       515        551         19          1       2012
    Nov  2 2015      1408       1730         14          7       2484
    Nov  3 2015      1603       1927         10          3       6681
    Nov  4 2015      1662       1984         13          5       8211
    Nov  5 2015       347        372          7          0       1316




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