To enable default set of SPAM filters with default settings you need to enable SessionManager processor spam-filter:
Enabling default SPAM filters.
'sess-man () { 'spam-filter' () {} }
You can configure active SPAM filters by setting enabling and disabling SPAM filters (subbeans of spam-filter processor bean).
Enabling message-same-long-body filter.
'sess-man' () { 'spam-filter' () { 'message-same-long-body' () {} } }
By default, due to nature of SPAM, you do not want to send error packet when SPAM packet is dropped as sending error back will:
It is possible to configure spam-filter to send error back, by setting true to spam-filter return-error property:
Allow sending error.
'sess-man () { 'spam-filter' () { return-error = true } }