Thanks Dan, Thanks for confirming what would occur with outbound mail. However, what about inbound mail, whereby one connection handles mail for mx mail1.xxxx.com and another for mail2.xxxx.com? Will tcpserver/qmail-smtpd open whatever connections it needs there as well?:
vpopmail 2706 0.0 0.0 3824 416 ? S Jul01 0:00 /usr/bin/tcpserver -v -R -H -l mail.dmsystems.com -x /etc/tcprules.d/tcp.smtp.cdb -c 100 -u 89 -g 89 0 587 /var/qmail/bin/qmail-smtpd /home/vpopmail/bin/vchkpw /bin/true tcp 0 0 xx.xxx.xxx.xxx:25 74.84.128.73:47345 ESTABLISHED tcp 0 0 xx.xxx.xxx.xxx:25 69.199.67.164:4478 TIME_WAIT Obviously it opens multiple listening connections on the same single IP as indicated above. Thanks, Tim On Thu, July 14, 2011 11:20 am, Dan McAllister wrote: > Tim, > > I think your problem is different from what you've read on the other > forums... specifically, I suspect that they wanted to have the system > attached to both IP addresses (both ISPs), but have QMail use only > one.... THAT requires a patch. > > What you're proposing is that you have 2 IP addresses (whether on a pair > (or more) of NICs, or shared on one NIC won't matter) and that you let > whatever internal load balancing is in effect control the outbound > message flow. This is the DEFAULT behavior of QMail, so no patches are > necessary. > > One brief caveat -- if you're using SPF, make sure BOTH of your public > IP addresses are valid -- and make sure BOTH of your public IP addresses > have appropriate reverse-DNS entries. > > Good Luck! > > Dan > IT4SOHO > > On 7/14/2011 11:31 AM, Tim Pleiman wrote: >> I'm in the process of upgrading a system with load balacing/failover >> from >> 2 different ISPs on a single box, e.g.: >> >> http://www.xenocafe.com/tutorials/linux/redhat/bind_multiple_ip_addresses_to_single_nic/index.php >> >> What I wish to be able to do is have qmail-smtpd listening on both IP >> addresses for inbound mail traffic at all times. Then have qmail-remote >> select the first available address to send outbound traffic--e.g. either >> IP that is available, so that if one goes down, qmail-remote will >> automatically determine to send on the other. >> >> Is this possible with the current qmailtoaster distribution? I've seen >> posts in other forums with similar questions, some indicate that a patch >> is required or to have the services bound to specific IPs. None of the >> information I can find gives information specific as to what I'm trying >> to >> accomplish. >> >> Many thanks in advance! >> >> Tim > > --------------------------------------------------------------------------------- > Qmailtoaster is sponsored by Vickers Consulting Group > (www.vickersconsulting.com) > Vickers Consulting Group offers Qmailtoaster support and > installations. > If you need professional help with your setup, contact them today! > --------------------------------------------------------------------------------- > Please visit qmailtoaster.com for the latest news, updates, and > packages. > > To unsubscribe, e-mail: > [email protected] > For additional commands, e-mail: > [email protected] > > > -- Tim Pleiman Bravo Systems Technologies "Advanced Open Source Solutions for Business" Chicago, IL USA --------------------------------------------------------------------------------- Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! --------------------------------------------------------------------------------- Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
