SMTP client options
SMTP client options
Action when listed as best MX host
Default (bounce message)
Hosts/domains to hand off mail to on invalid destination
Default
Ignore MX lookup error
Yes
No
Skip 4xx greeting
Yes
No
Skip wait for the QUIT command
Yes
No
Max number of parallel deliveries to the same destination
Default
Max number of recipients per delivery
Default
Timeout for completing TCP connections
Timeout on waiting for the greeting banner
Timeout on waiting for answer to MAIL FROM
Timeout on waiting for answer to RCPT TO
Timeout on waiting for answer to DATA
Timeout on waiting for answer to transmit of message content
Timeout on waiting for answer to ending "."
Timeout on waiting for answer to QUIT
Return to Postfix configuration
Return to Postfix configuration