I want to implement a control on my mail server to drop failed authenticated
users as quickly as I can.
Actually, my configure file look like as:
...
acl_smtp_auth = smtp_auth
acl_smtp_rcpt = check_rcpt
acl_smtp_data = check_spam
...
begin acl
smtp_auth:
accept
check_rcpt:
accept authenticated = fixed_login
accept condition = ${perl{check_deliver}{$domain}{$local_part}}
accept condition = ${perl{checkvalias}{$domain}{$local_part}}
deny message = User unknown
check_spam:
warn
condition = ${if <{$message_size}{SPAM_CHK_MAXSIZE}{1}{0}}
message = X-Spam-Score-Int: $spam_score_int
spam = nobody:true/defer_ok
deny
condition = ${if >{$spam_score_int}{SPAM_SCOREINT_TO_DISCARD}{1}{0}}
message = Our mail system has determined your message to be SPAM.
spam = nobody:true
accept
begin authenticators
fixed_login:
driver = plaintext
public_name = LOGIN
server_prompts = "Username:: : Password::"
server_condition = "${perl{checkuserpass}{$auth1}{$auth2}}"
server_set_id = $auth1
I thinks that where I made the check to authenticated at check_rcpt it's
wrong. It's this really wrong?
If it's wrong, where I may does the control? At smtp_auth (acl_smtp_auth)
section?
It may be this way?
smtp_auth:
drop !authenticated = fixed_login
accept
check_rcpt:
accept condition = ${perl{check_deliver}{$domain}{$local_part}}
accept condition = ${perl{checkvalias}{$domain}{$local_part}}
deny message = User unknown
An if this approach is correct, when drop at smtp_auth section, Exim
immediately exit? or it does the remaining controls?
Can anyone help me?
Thanks in advance.
Jorge Colaccini
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