On Sunday 11 March 2007 10:45, Ed Zwart wrote: > I use freebsd on an older computer in my home network to run a > webserver, a few web apps (bugzilla, tikiwiki), and samba. I just > installed postfix via the ports collection so I can use the mail > functionality of bugzilla. > > Bugzilla does its part correctly; I can see the message in the > mailq, but all messages time out. From the postfix site, I learned > about the MTU black hole issue > (http://www.postfix.org/faq.html#timeouts). After spending some > time messing both with my bsd machine's hostname and my home > network gateway's settings (domain name and mtu size), I got > nowhere. > > But then I read somewhere (sorry, I don't have the reference) that > the handshake that goes on between my MTA and the destination > machine includes a check that I'm not spoofing a domain that I > don't control. Makes sense! So, I figured that I don't have an MTU > problem at all, but a hostname/domain name problem. > > What I'm a little weak on is understanding is this... > > I own my_domain.com. I've paid a hoster for the last couple years, > but that's ending in a week or so. Meanwhile, I've used dyndns to > point foo.homedns.org to my IP. > > Originally, I had left the gateway's domain as the default > (something based on my isp's domain), and set the bsd machine's > hostname to foo.my_domain.com. But that's why mail was failing (I > think) because dns was reporting that my_domain.com was not the > same as my IP. Is this correct? > > Also, what are valid entries then for hostname then? Anything I > want, as long as it's not some domain already known in the dns? > Does it matter if I change my "domain" name on my LAN router? > > Finally, what I'd really like to do is just manage all this myself. > I'm not providing any services to anyone but myself. (I don't have > users, and don't need to receive mail.) My plan had been to pay > dyndns to handle pointing to my_domain.com for me, but now I'm > wondering if I can't just do that too. So, last question: does > setting up dns on my bsd box mean I can propogate my IP for > my_domain.com myself? > > Thanks in advance for help! > > e.
Your ISP is probably just blocking outgoing connections to port 25...set postfix to use their smtp servers as a relayhost. -- Thanks, Josh Paetzel _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"