Hello all, Is this a problem with uribl.com's MX setup in DNS, or a problem on my end? Or both? My DNS provider enables wildcard DNS for my domain. I'm not sure if that is part of this problem, but seems possible. If so, what can I do, short of switching DNS providers, to prevent this hard bounce from happening, and enable proper roll over to the other MX'en listed upon failure to the primary?
Thanks. -- Stan Sep 22 19:34:14 greer postfix/smtp[11384]: connect to mx.uribl.com[63.216.184.130]: No route to host (port 25) Sep 22 19:34:14 greer postfix/smtp[11384]: 87D543DA160: to=<redac...@uribl.com>, relay=mx[65.41.216.221]:25, delay=1.4, delays=0.09/0.03/1.3/0, dsn=5.4.6, status=bounced (mail for uribl.com loops back to myself) 65.41.216.221 is the public IP behind which my Postfix server sits (PAT) and for which my DNS provider enables wildcard. ;; ANSWER SECTION: uribl.com. 43200 IN MX 10 mx. uribl.com. 43200 IN MX 10 mx.uribl.com. uribl.com. 43200 IN MX 100 mx2. uribl.com. 43200 IN MX 100 mx2.uribl.com. greer:/home/stan# postconf -n append_dot_mydomain = no biff = no config_directory = /etc/postfix disable_vrfy_command = yes inet_interfaces = all local_recipient_maps = local_transport = error mydestination = myhostname = greer.hardwarefreak.com mynetworks = 192.168.100.0/24 myorigin = hardwarefreak.com parent_domain_matches_subdomains = debug_peer_list smtpd_access_maps relay_domains = hardwarefreak.com relay_recipient_maps = hash:/etc/postfix/relay_recipients smtpd_banner = $myhostname ESMTP Postfix smtpd_client_restrictions = check_recipient_access hash:/etc/postfix/access, hash:/etc/postfix/coolsavings.access, hash:/etc/postfix/richk-1.access cidr:/etc/postfix/cidr_files/china.cidr, cidr:/etc/postfix/cidr_files/korea.cidr, cidr:/etc/postfix/cidr_files/russia.cidr, cidr:/etc/postfix/cidr_files/ukraine.cidr, cidr:/etc/postfix/cidr_files/malaysia.cidr, cidr:/etc/postfix/cidr_files/belarus.cidr, cidr:/etc/postfix/cidr_files/indonesia.cidr, cidr:/etc/postfix/cidr_files/hongkong.cidr, cidr:/etc/postfix/cidr_files/africa.cidr, cidr:/etc/postfix/cidr_files/romania.cidr, cidr:/etc/postfix/cidr_files/thailand.cidr, cidr:/etc/postfix/cidr_files/poland.cidr, cidr:/etc/postfix/cidr_files/spammer.cidr, cidr:/etc/postfix/cidr_files/hurricane-electric.cidr, cidr:/etc/postfix/cidr_files/richk-1.cidr, pcre:/etc/postfix/access.pcre, pcre:/etc/postfix/check_client_fqdn.pcre, reject_unknown_reverse_client_hostname smtpd_helo_required = yes smtpd_helo_restrictions = check_recipient_access hash:/etc/postfix/access, reject_non_fqdn_helo_hostname, reject_invalid_helo_hostname, reject_unknown_helo_hostname smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination, check_recipient_access hash:/etc/postfix/access, reject_rbl_client zen.spamhaus.org, reject_rbl_client dnsbl.sorbs.net, reject_rbl_client bl.spamcop.net, reject_rbl_client psbl.surriel.com, reject_rbl_client ix.dnsbl.manitu.net, check_policy_service inet:127.0.0.1:60000 strict_rfc821_envelopes = yes transport_maps = hash:/etc/postfix/transport virtual_alias_maps = hash:/etc/postfix/virtual
