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→Setup Thunderbird
Restart postfix, confirm (with netstat) that it's now listening on all interfaces, not just loopback, and test connecting to it from the host.
== DNS Server used by the host ==
So far you're probably not using vm1 as the DNS server for your host. We'll need to change that for email to work correctly. Normally you don't need an entire DNS server for running an email server, you just add an MX record in your registrar's web interface, but we haven't paid for our domains so we don't have a registrar with a web interface.
Modify your /etc/resolv.conf to use vm1 as the name server. This will not be a permanent change but that's ok, we only need it for the email labs. You'll have to remember to do this every time you reboot your host.
== Setup Thunderbird ==
We are far from having a working email server but at this point we have enough to be able to test it with Thunderbird.
The process is a little challenging because Thunderbird tries really hard to prevent you from connecting to a server that doesn't work (and ours mostly doesn't work at this point). Set it up to connect to your IP address (192.168.X.3) '''vm2''' for SMTP and '''vm3''' for both IMAP and SMTP. Use no encryption, and normal password authentication for IMAP (we don't have an IMAP server running yet, but that's ok).
[[Image:ops335-email-step1.png|600px]]