Damon Muller wrote: > > Quoth Anthony Campbell, > > How are you supposed to form a hostname if you are not on a network but > > just connect intermittently to an ISP? > > > > Unless you have a dotted quad name, some hosts reject emails. > > Basically, you have to make your mails look from the outside like they > are coming from your ISP. > > How you do this depends a lot on the MTA that you are using. For qmail > (which I use), it's merely a matter of setting the QMAILHOST and > QMAILUSER environment variables before you send the email, which sets > the envelope sender. I'm sure there are equally easy ways to do it using > other MTAs, but I don't know what they are.
If you are using exim, set 'qualify_domain' in /etc/exim.conf. If you are still using smail, stick a domain in /etc/mailname. Just use your ISP's domain name for these.
