Scan schannel MTA option

External filtering context MTA options:  (MTA channel name)
New in 7.0.5. The MTA&#x27;s spam/virus filter package integration facility can be used in non-MTA (in particular, in non-channel) contexts, such as by applications or utilities such as ,  where certain fields inherently available for message processing in the MTA context are not necessarily naturally available. The   MTA option specifies the default source channel for such scanning operations. The default is the   (lowercase "L") channel.

See also:
 * Spamfilter MTA options
 * Sieve filter MTA options
 * Local channel
 * scan_originator MTA Option
 * scan_recipient MTA Option
 * imexpire invoking spamfilter packages
 * External filtering context MTA options