Doesn't SMTP-MaxErrors in server.tab help with this?
Henri van Riel wrote: >Hi all, > >I've got a peculiar problem. My domain (a sub-domain of my ISP) >receives a lot of (spam) email. I'm talking more than 15,000 emails >per day (about 10mb/hour). All these emails are for recipients *not* >defined on my domain. Someone has simply generated thousands of fake >email addresses and put them on a cd and sells that (probably). > >I've set up XMail so that it only accepts mail for known users, so I >don't really receive these emails. The problem is that my smtp threads >are always *busy*. When I try to send email from outside my LAN >through my mailserver at home I always get the message `server too >busy, retry later...` because all my SMTP threads are handling >mail from these spammers... > >What I would like is that XMail *immediately* drops the connection >with the spammer's mailserver but it doesn't seem to do that. >Connections stay open for a while because this server has dozens of >emails to deliver to my server (all for users that don't exist!). > >Is there a way to immediately drop the connection with the server that >tries to deliver mail to an unknown user and also ban this particular >mail server for at least a day? That would decrease the number of >random emails significantly and save me a lot on bandwidth. > >Any help would be appreciated. > >Thanks. > > > - To unsubscribe from this list: send the line "unsubscribe xmail" in the body of a message to [EMAIL PROTECTED] For general help: send the line "help" in the body of a message to [EMAIL PROTECTED]