Why do people not try to deliver straight to me?

Why do people not try to deliver straight to me?

Post by Andrew Taylo » Sat, 07 Aug 1999 04:00:00



Hi,

Just wondering, my e-mail address from my isp is

to hot-shot.demon.co.uk, when my machine is online you can telnet to it by
telneting to hot-shot.demon.co.uk. When someone sends an e-mail to

if I'm on-line how come it still goes to my isp and not directly to me? I'm
more than happy with that but I was just curious.

Andy

 
 
 

Why do people not try to deliver straight to me?

Post by Ken » Sat, 07 Aug 1999 04:00:00


Your DNS entry includes an "MX" (mail exchange) record. This record
tells MTAs like sendmail what host should receive mail on behalf of your
domain. There can be more than one MX record, and they include a "cost"
factor, so mail will go first to the cheapest host, then to the next if
the first one is down, etc.


> Hi,

> Just wondering, my e-mail address from my isp is

> to hot-shot.demon.co.uk, when my machine is online you can telnet to it by
> telneting to hot-shot.demon.co.uk. When someone sends an e-mail to

> if I'm on-line how come it still goes to my isp and not directly to me? I'm
> more than happy with that but I was just curious.

> Andy

--
Ken

http://www.sewingwitch.com/ken/
http://www.215Now.com/

 
 
 

Why do people not try to deliver straight to me?

Post by Martin Vermee » Fri, 13 Aug 1999 04:00:00


Andrew Taylor heeft geschreven in bericht

>Hi,

>Just wondering, my e-mail address from my isp is

>to hot-shot.demon.co.uk, when my machine is online you can telnet to it by
>telneting to hot-shot.demon.co.uk. When someone sends an e-mail to

>if I'm on-line how come it still goes to my isp and not directly to me? I'm
>more than happy with that but I was just curious.

Demon normaly uses POP3 Mailboxes. Mail send to you is put in that POP3
mailbox.

When you connect with an SMTP server like sendmail mail from your POP3
mailbox is delivered to you through sendmail.

If Demon imidiatly send all your mail tou your SMTP server (sendmail) and
your machine is not connected to the Internet people sending you mail will
receive messages stating that demon was not able to delivere mail and that
it will be retried for a couple of hours. (or something like that)

To avoid this problem the invented the way they do it now. I think it is a
very good solution.

Demon gives an explanation of how it works on their homepage.

--
Martin
 (at work)

 
 
 

1. Why does sendmail not deliver mail if home-directory is not available

Hi Folks,

I have a problem with the delivery of emails via sendmail:

SuSE Linux 6.1
Kernel 2.3.2
sendmail 8.9.3

I have one incoming mail-server (PC A) which is alway powered. The
mailboxes for all user are local to this mail-server. The forward-path
is local to this server (/etc/mail/forward/$u). Only the homes of the
users are on another PC (PC B) which is often switched off.
If both PCs are switched on, then the email is delivered successfully to
/var/spool/mail/$USER on PC .

My problem:
===========
If PC B is switched off, then the incoming email is only queued, but not
delivered?

Short question:

        WHY ???

Thank you in advance for every support.

Kind regards

        Andre
--

   fff         lll       dd    Andre Feld
  ff            ll       dd    Universtity of Technology Aachen
  ff            ll       dd    Institute for Communication Networks
 ffff   eeee    ll    ddddd    Kopernikusstr. 16, 52074 Aachen, Germany
  ff   ee  ee   ll   d   dd    Phone : +49-241-80-7912
  ff   eeeeee   ll   d   dd    Fax   : +49-241-88-88242

  ff    eeee  llllll  ddd dd   http://www.comnets.rwth-aachen.de/~feld

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