Hi, I just posted this same question to the sendmail list. Did you get
any answers? If so, would you share them with me. If not, let me know
and I will send you whatever I get. I just installed email and was in the
process of giving people access when I found out that there are certain
addresses that won't resolve. I was assuming that it was sites that had
their own dns on site. The first one I was aware of was tcnj.edu, their
mail server is beast but when sent from our site it bounces back host
unknown unless you put the beast in. I have a courtesy internet account
with our provider (we have a t-1 line to isp) and when I send mail from
there to tcnj.edu, it goes thru and resoves to beast.tcnj.edu. They use
the same dns so I don't understand. We also cannot get thru to aol and
tonight I found out we are getting a 441 from hotmail, connection refused.
: [Ultra 1 Solaris 2.5]
: I didn't see my initial post so I'm trying again.
: For reasons unknown to me, my mail server has just lost the
: ability to find hosts which don't resolve directly to an IP addr.
: aphrodite:~$ host fruitfly.berkeley.edu
: fruitfly.berkeley.edu has address 220.127.116.11
: Mail to fruitfly goes just fine where as:
: aphrodite:~$ host aol.com
: aol.com mail is handled by c.mx.aol.com
: aol.com mail is handled by d.mx.aol.com
: aol.com mail is handled by e.mx.aol.com
: aol.com mail is handled by f.mx.aol.com
: aol.com mail is handled by a.mx.aol.com
: aol.com mail is handled by b.mx.aol.com
: mail to aol.com won't. Messages are bounced back "host not found".
: This pattern is repeated consistantly.
: This is Sendmail SMI-8.6/SMI-SVR4, by the way.
: I suspect this is more of a DNS issue than a Sendmail one - but I'm
: really just baffled at present.
: Thanks -
: Fil Krohnengold 212/769-5294