Date: Wed, 22 Apr 1998 17:20:20 -0700 (PDT) From: Doug White <dwhite@gdi.uoregon.edu> To: Ugo Paternostro <paterno@dsi.unifi.it> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: DNS Cache+MX+SendMail = Host not found... Message-ID: <Pine.BSF.3.96.980422171910.8428e-100000@gdi.uoregon.edu> In-Reply-To: <XFMail.980422110235.paterno@dsi.unifi.it>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 22 Apr 1998, Ugo Paternostro wrote: > Yes, when my link is up ;-) If I try to send a mail to > foo@anotherplace.some.domain when I'm not connected to my ISP, sendmail simply > queues the mail (because of a failed DNS search, or a "no route to host" error > if the name was cached). > > The problem appears only when sendmail know that the host you're sending mail > to has an MX, but it (sendmail) doesn't know anything about the MX. This may > happen when I drop the PPP link because my DNS caches only the MX record, but > not the address the MX is pointing to (maybe it caches both, but the latter > expires). Okay, that makes much more sense. > Currently I have three solution: > a. wait for the MX record in the NameServer cache to expire (loooooongggg...) > b. restart the name server (but I loose cache contents) > c. pester Doug White :-) Suggestion: Set up sendmail to always queue messages, then use `sendmail -q' when you get connected to clean the queue out. The name of the feature escapes me but it should be in the mail archives or at http://www.sendmail.org. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.96.980422171910.8428e-100000>