OK, then i will research setting up multiple postfix instances. I wonder...is exim better for this? I wanted to use it at first but could not find any documentation of centos & exim. Thanks for the support thus far. It's appreciated.
-- Mike McKoy *404.590.7176* http://MyForeverHair.com http://www.MyModelTalk.com http://InCrowdUSA.net http://www.google.com/profiles/mikemckoy On Tue, May 19, 2015 at 7:52 PM, Wietse Venema <wie...@porcupine.org> wrote: > Mike McKoy: > > Wietse Venema <wie...@porcupine.org> wrote: > > > > > > > > Use sender_dependent_default_transport_maps to select a suitable SMTP > > > client configuration: > > > > > > /etc/postfix/main.cf: > > > sender_dependent_default_transport_maps = > > > hash:/etc/postfix/sender_dependent_transport > > > > > /etc/postfix/sender_dependent_default_transport > > > example.com smtp-example-com > > > > So it would look something like this? > > /etc/postfix/sender_dependent_default_transport > > mymodeltalk.com smtp-mymodeltalk-com > > inform.mymodeltalk.com smtp-inform.mymodeltalk.com > > myforeverhair.com smtp-myforeverhair.com > > I just noticed that the table is searched by sender address and > @domain, so you'd need to specify @mymodeltalk.com and so on. > > > > /etc/postfix/master.cf: > > > smtp-example-com .. .. .. .. .. smtp > > > -o smtp_bind_addres=192.168.1.1 > > > > > And this would look like this? > > smtp-mymodeltalk-com .. .. .. .. .. smtp > > -o smtp_bind_addres=52.0.148.79 > > > > smtp-inform-mymodeltalk-com .. .. .. .. .. smtp > > -o smtp_bind_addres=52.0.33.25 > > > > smtp-myforeverhair-com .. .. .. .. .. smtp > > -o smtp_bind_addres=52.1.130.125 > > Yes, assuming that the IP addresses are correct. > > > > > How easy is it to configure postfix to send using a specific IP > address > > > for > > > > each domain I have on the server? I've already bound the IPs. When I > used > > > > Exim all I had to do was create a list of IPs for the server to send > as. > > > > But alas, i'm not using cpanel so I can't use exim. I need to find a > way > > > to > > > > do this with postfix. > > > > > > /etc/postfix/master.cf: > > > 192.168.1.1:smtp .. .. .. .. .. smtpd > > The above is to receive mail. I thought you needed that, too, > but I may have misread your question. > > > And this last part would look like this? > > /etc/postfix/master.cf: > > 52.0.148.79:smtp .. .. .. .. .. smtpd > > 52.0.33.25:smtp .. .. .. .. .. smtpd > > 52.1.130.125:smtp .. .. .. .. .. smtpd > > If each domain is to have its own mail receiving address, yes. > > However, Postfix is not really a multi-personality server. You can > fake it by setting "-o myhostname=mta-name-here" on the smtp and > smtpd process command lines. But when mail is not deliverable, then > (as required by RFC 5321) Postfix will send a non-delivery notification > with the null sender address, and that address will fly past your > sender_dependent_default_transport_maps. > > Multiple MTA personalities require multiple Postfix instances. > > Wietse >
