|
> On Oct 16, 2014, at 5:02 AM, Alexandre <infos@xxxxxxxxxxx> wrote:
>
> Hello list, I will wish to implement an architecture of outgoing mail
> servers. We already have a SQL load balancer. Here is my plan. All ports
> are standard and LVS is configured with direct routing
>
> 1. Web server response directly to a client
> 2. Mysql server repose directly to a web server
> 3. Servers generate emails and push email to a load balancer on port 25
> 4. Mail servers send mails to different recipients.
>
> INTERNET
> |
> +------+
> |ROUTER|
> +------+
> |
> |
> |
> |
> |
> +---+----+
> Outbound mail server<-------| LVS |-----------> Web server
> +---+----+
> |
> |
> |
> |
> |
> |
> +-----------------------+----------------------------------+
> | |
> | |
> Servers that generate emails. Mysql Server
>
>
>
> Here is my set :
> --------------------------------------------------------------------------------
> # ====================
> # OUTBOUND MAIL SERVER
> # ====================
> virtual=10.0.0.102:25
> emailalert="admin@xxxxxxxxxxxxxxx"
> real=10.0.0.96:25 gate
> real=10.0.0.97:25 gate
> real=10.0.0.98:25 gate
> real=10.0.0.97:25 gate
> service=smtp
> scheduler=rr
> fallback=127.0.0.1:25 gate
> protocol=tcp
> checktype=negotiate
> --------------------------------------------------------------------------------
>
>
> On outbound mail server, I add in a rc.local :
> --------------------------------------------------------------------------------
> /bin/echo 1 > /proc/sys/net/ipv4/conf/eth0/arp_ignore
> /bin/echo 2 > /proc/sys/net/ipv4/conf/eth0/arp_announce
> /sbin/ifconfig lo:0 10.0.0.102 netmask 255.255.255.255 up
> --------------------------------------------------------------------------------
>
> However nothing works. When I make a test with telnet :
> - through the load balancer:
> ---
> telnet 10.0.0.102 25
> Trying 10.0.0.102...
> telnet: Unable to connect to remote host: Connection refused
> ---
Do you have port 25 blocked on the loadbalancer? Check your firewall on the
loadbalancer. Also can you paste the output of ipvsadm -L -n ?
>
> - directly to the mail server :
> ---
> telnet 10.0.0.96 25
> Trying 10.0.0.96...
> Connected to 10.0.0.96.
> Escape character is '^]'.
> 220 XXXXXXXXXXXXXXXXXXXX ESMTP Exim 4.80 Thu, 16 Oct 2014 13:58:49 +0200
> ---
>
> Do you have any idea? I'm a bit stuck.
>
> Thank you to all.
>
>
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
>
> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
_______________________________________________
Please read the documentation before posting - it's available at:
http://www.linuxvirtualserver.org/
LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
or go to http://lists.graemef.net/mailman/listinfo/lvs-users
|
