On 29/03/04 20:25 +0530, [EMAIL PROTECTED] wrote:
> i had to install a mail server for a firm with a leased line 
> connection. Initially, perhaps due to some mis-configuration, it seems 
> that the linux box was used as relay by spammers. 
postconf -n and munged logs. 

> The extenal IP is on eth0 and internal class C is on eth1. It seems i have 
> been able to stop relay. I use postfix on RH9. 
> 
> My problem is that one of the hosts  to which we mail frequently sent mail
> has 'blocked' all mails from our domain. Some tech from the hosts side 
> says that the blocking of mail has been IP based. I changed the external IP 
> on our system to the next number ie xxx.xxx.xxx.14 to xxx.xxx.xxx.15.
You mean people with policies like mine?
Take out a /24, escalate to the ISP block.

> 
> But still the mail to that domain gets bounced always. There is no problem 
> with any other domains. How do i fix it? Should i contact the site for a 
> fix?  
Obviously you need to write to [EMAIL PROTECTED] to ask them to unblock
you.
 
> Also please look at the following 'main.cf' of postfix.
> -------------------------------------------------------------------------
> myorigin = $mydomain
> inet_interfaces = all
> mynetworks_style = subnet
> relay_domains = $mydestination
> #local_recipient_maps = hash:/etc/postfix/recipients
> local_recipient_maps =
> masquerade_domains = $mydomain
> always_bcc = someuser
> smtpd_recipient_restrictions = permit_mynetworks reject_unauth_destination
> 
> -----------------------------------------------------------------------
> 
> I kept local_recipient_maps blank as i was not able to access the port 25 
> (it was taking too much time to respond) when it was equated to 
> hash:/etc/postfix/recipients. 
Funny. There must have been something else wrong with that box.

Devdas Bhagat


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