Hi, (first post here) I'm having spam relaying issues on my server so i've tried my best to make it harder for them by using SASL and adding the following to /etc/postfix.main.cf maps_rbl_domains = sbl.spamhaus.org relays.ordb.org cbl.abuseat.org bl.spamcop.net pbl.spamhaus.org xbl.spamhaus.org smtpd_client_restrictions = reject_rbl_client sbl.spamhaus.org reject_rbl_client relays.ordb.org reject_rbl_client cbl.abuseat.org reject_rbl_client bl.spamcop.net reject_rbl_client pbl.spamhaus.org reject_rbl_client xbl.spamhaus.org This has sorted out the spam from being relayed from my box but now when i try and send email from Thunderbird I get the following message Feb 12 21:32:02 postfix/smtpd[29163] NOQUEUE: reject: RCPT from hostXX-XXX-XXX-XXX.rangeXX-XXX.btcentralplus.com[XXX.XXX.XXX.XXX]: 554 Service unavailable; Client host [XX.XXX.XXX.XXX] blocked using pbl.spamhaus.org; http://www.spamhaus.org/query/bl?ipXX.XXX.XXX.XXX; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<[192.168.2.88]> Feb 12 21:32:02 postfix/smtpd[29163] warning: XXX.XXX.XXX.XX.relays.ordb.org: RBL lookup error: Host or domain name not found. Name service error for name=XXX.XXX.XXX.X.relays.ordb.org type=A: Host not found, try again Feb 12 21:31:53 postfix/smtpd[29163] connect from hostXX-XX-XXX-XXX.rangeXX-XXX.btcentralplus.com[xx.xxx.x.xx.xx] Without the smtpd_client_restrictions, maps_rbl_domains settings it works fine so i know that i've got the sasl password working in thunderbird. I would like to be able to use both stop spam. Any help please? Kind regards Dan
hi till, I get the following from #./postconf -n | grep mynetworks mynetworks_style = host smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination does this help? cheers Dan
There seems to be a DNS lookup problem. Have you checked if Code: dig XXX.XXX.XXX.X.relays.ordb.org works on your system? Do you have valid nameservers in /etc/resolv.conf?
Hi Falko, Thanks for the help. 11.222.333.444 = my ip address of my home pc that i'm trying to send mail from. The domain i'm sending it from is Domain2.com 55.555.555.555 = my server ip address. has a main domain of Domain1.com I have multiple domains on this server. log snippett Feb 12 21:32:02 postfix/smtpd[29163] warning: 444.333.222.11.relays.ordb.org: RBL lookup error: Host or domain name not found. Name service error for name=444.333.222.11.relays.ordb.org type=A: Host not found, try again Console $ dig 11.222.333.444 ; <<>> DiG 9.3.4 <<>> 11.222.333.444 ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1890 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;11.222.333.444. IN A ;; AUTHORITY SECTION: . 86400 IN SOA A.ROOT-SERVERS.NET. NSTLD.VERISIGN-GRS.COM. 2007021400 1800 900 604800 86400 ;; Query time: 15 msec ;; SERVER: 55.555.555.555 #53(55.555.555.555 ) ;; WHEN: Wed Feb 14 20:45:13 2007 ;; MSG SIZE rcvd: 107 when I look in /etc/resolv.conf I only see the main domain name for my server, Domain1.com. I do not see the domain name for the domain from which i am trying to send the mail from, Domain2. My server has multiple domains on it. Could this be the problem? $more /etc/resolv.conf nameserver 55.555.555.555 search Domain1.com domain Domain1.com Hope this makes sense. I'm only starting out and find this help really useful. cheers Dan
Hi, I've added the those ip addresses to my /etc/resolv.conf but still get the message from spamhaus.org saying that my ip address is being blocked by them as it is on their pbl list. "An error occured while sending mail. The mail server responded:Service unavailable; Client host [my home ip address] block using pbl.spamhaus.org; http://www.spamhaus.org/query/bl?ip="my home ip address". Please verify that your email adddress is correct in you Mail prerences and try again" I went to spamhaus and "my home ip address" is on their list. I have turned on smtp authentication on thunderbird but it still doesn't let me send mail with spamhaus turned on. Annoyingly spamhaus only provides instructions for other email clients not thunderbird. any ideas? Many thanks Dan
You can ask spamhaus to remove your IP address, but I doubt they will do it if you have a dynamic IP address.
I checked on Spamhaus site and i'm in the pbl list. This pages tells me that I just need to make sure that my email client from http://www.spamhaus.org/pbl/removal/ If you are simply using normal email software, such as Outlook, Entourage, Thunderbird, Apple Mail, and you are being blocked by a Spamhaus PBL listing when you try to send email, the reason is simply that you need to turn on "SMTP Authentication" in your email software settings (Tools : Accounts : Properties : Outgoing Mail Server : Check the "My server requires authentication" box). You do NOT need to remove your IP address from the PBL. But I had thought I had done that. My server only allows SASL and is turned on. But somehow Spamhaus doesn't accept my SASL. Any ideas? (thanks for your continued help on this) Dan
