On 08/16/2010 12:24 PM, Gregory Woodbury wrote: > > > On Mon, Aug 16, 2010 at 1:46 PM, JD <jd1008@xxxxxxxxx > <mailto:jd1008@xxxxxxxxx>> wrote: > > I read the wiki for setting up and configuring sendmail > http://www.wikihow.com/Configure-Sendmail > > Clearly, a full setup of DNS server for your domain > must be set up, per this wiki, along with mx records ...etc. > > Does this prevent one from settiing up and using sendmail > on a LAN to send and receive email to/from the outside world? > > > In a word, no. > > Get a dyndns.com <http://dyndns.com> name for your router public ip > address and set up at > dyndns to get mail delivered to that name. Set your router to forward > incoming SMTP > to the appropriate machine and go from there. > > The main router is set up to forward all necessary ports > (smtp, pop, pop3, ....etc) to the machine which would run > sendmail. The firewall on the machine is set up to allow > packets to/from these ports. > > I understand that some things need to be set up so that sendmail > sends headers that use a routable IP address as the source of > the message. Is it possible to make sendmail use my router's > public IP address in the message headers? How? > > > Sendmail doesn't use IPs *per se* but using the name you get is necessary. > For example (some names changed to protect the guilty): > > my machine "masquerades" as wolves.durham.nc.us > <http://wolves.durham.nc.us> with the MX for that domain > pointing to my router's name via dyndns.com <http://dyndns.com>. The > router port forwards 25 to the > appropriate machine and the conversations carry on as usual. > > Outgoing, I have sendmail using gmail as my smart host, with appropriate > authconfig settings for my gmail account. > > The key is to "MASQUERADE AS" in the sendmail.mc <http://sendmail.mc> > file. > MASQUERADE_AS(`wolves.example.net <http://wolves.example.net>')dnl > FEATURE(masquerade_envelope)dnl > This tells sendmail to use the name you want. > > Hope this Helps > -- > G.Wolfe Woodbury > Thank you Gregory. I will try it. Cheers, JD -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
