[Exim] exim,amavis behind firewall

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Autor: CHAN
Data:  
Para: exim-users
Assunto: [Exim] exim,amavis behind firewall
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Hi all,



I've a problem with exim configure setting, now I'm using the amavis-new2003 and exim4.12, and user will need to login before sending email (using mysql).



The problem is when I want all mails (incoming and outgoing) scan by virus scanner, it will come out error with "relay not permitted", but if I just scan incoming mails, this situation would not happen (but when the virus scanner detect a virus within incoming email, it can not send a warning letter to the sender who sent from outside, come out error "relay not permitted", no error for internal sender).



My exim configure setting listing in below:

Scan both incoming and outgoing mail



(in router part)

amavis:

driver = manualroute

domains = ! +local_domains

condition = "${if or {{eq {$interface_port}{10025}} \

                       {eq {$received_protocol}{spam-scanned}} \


                       {eq {$sender_address}{}} \


                         }{0}{1} \


                }"


transport = amavis

route_list = "* my.domain bydns"

self = send



(in transport part)

amavis:

driver = smtp

port = 10024

allow_localhost



Scan incoming email only

(in router part)

dnslookup:

driver = dnslookup

domains = ! +local_domains

transport = remote_smtp

ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8

no_more



(in transport part)

remote_smtp:

driver = smtp



There is a solution can solve this problem, but it will make my mail server become open relay, user can send email without login, this is not a good idea for security.



(in ACL configuration part)

accept hosts = : 127.0.0.1 : xx.xx.xx.xx ------> firewall ip





Please give me some advice.



THANKS





CHAN
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