Cisco Cisco Email Security Appliance C190 Technical References

--max_size

Maximum message size. Add a trailing k for 
kilobytes, M for megabytes, or no letters for bytes.

--max_conn

Maximum number of connections allowed from a 
single host.

--max_msgs

Maximum number of messages per connection.

--max_rcpt 

Maximum number of recipients per message.

--override

Override the hostname in the SMTP banner. “No” 
or SMTP banner string.

--cust_acc

Specify a custom SMTP acceptance response. 
“No” or SMTP acceptance response string.

--acc_code

Custom SMTP acceptance response code. Default 
is 220.

--cust_rej 

Specify a custom SMTP rejection response. “No” 
or SMTP rejection response string.

--rej_code

Custom SMTP rejection response code. Default is 
554.

--rate_lim

Enable rate limiting per host. “No”, “default” or 
maximum number of recipients per hour per host.

--cust_lim 

Specify a custom SMTP limit exceeded response 
message. “No” or SMTP rejection response string. 
Default is “No”.

--lim_code 

Custom SMTP limit exceeded response code. 
Default is 452.

--use_sb 

Use SenderBase for flow control by default. “Yes”, 
“No”, or “default”.

--as_scan 

Enable anti-spam scanning.  “Yes”, “No”, 
“Default”.

 --av_scan 

Enable anti-virus scanning.  “Yes”, “No”, 
“Default”.

--dhap 

Directory Harvest Attack Prevention.  “No”, 
“default”, or maximum number of invalid 
recipients per hour from a remote host.

--tls

Not supported; use menuing system to configure 
TLS.

--sig_bits 

Number of bits of IP address to treat as significant. 
From 0 to 32, “No” or “default”.

--dkim_signing

Enable DKIM signing. “Yes”, “No”, “Default.”

--dkim_verification

Enable DKIM verification. “Yes”, “No”, 
“Default.”

--dkim_verification_profile 
<name>

The name of DKIM verification profile. This 
option is only applicable if --dkim_verification 
value is set to “Yes.”