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Re: Why was exim selcted as the default MTA?




On Sat, 12 Jun 1999, Dirk Eddelbuettel wrote:

>  
>   Jor-el> 	Let me give an example of the problem I am facing. I run a
>   Jor-el> private network, with an unregistered domain name. I dialup to my
>   Jor-el> ISP and use his smtp and pop server for mail. If I want to queue up
>   Jor-el> my mail on my local smtp server which will do a 'smarthost' relay
>   Jor-el> to the ISP smtp server, I must rewrite my envelope sender header,
>   Jor-el> or my ISP will not accept mail from me.
> 
> Sure? Always worked for me, with at least four different ISPs over the last
> five years.
> 
> Ie, all the ISP checks for is that you come from "his" net, whatever the
> name. See here:
> 
> 	Received: from sonny.econ.queensu.ca ([24.112.242.11])
>           by mail.rdc1.on.home.com (InterMail v4.01.01.00 201-229-111)
>           with ESMTP
>           id <19990612150721.IVSD2200.mail.rdc1.on.home.com@sonny.econ.queensu.ca>
>           for <edd@debian.org>; Sat, 12 Jun 1999 08:07:21 -0700
> 
> The box claims to be sonny.econ.queensu.ca. That doesn't exist. The
> .econ.queensu.ca domain exists, and is a domain I was on about four years
> ago. I simply stuck with it ...
> 
	Maybe our ISP's are setup differently. The debian out-of-box
configuration did not work for me (and I selected option (2) [for
smarthost relaying] during the configure). Here is what I got for 1 mail
prior to my "fixing" the problem :

1999-06-10 01:15:46 10ry7u-0000A1-00 <= coder@marvin.megadodo.umb U=coder
P=local S=340
1999-06-10 01:15:58 10ry7u-0000A1-00 SMTP error from remote mailer after
MAIL FROM: <coder@marvin.megadodo.umb> SIZE=1371: host smtp1.ibm.net
[165.87.194.252]: 451 <coder@marvin.megadodo.umb>... Unresolvable domainname.
Contact your administrator.
1999-06-10 01:16:00 10ry7u-0000A1-00 SMTP error from remote mailer after
MAIL FROM: <coder@marvin.megadodo.umb> SIZE=1371: host smtp1.ibm.net
[165.87.194.239]: 451 <coder@marvin.megadodo.umb>... Unresolvable domainname.  
Contact your administrator.
1999-06-10 01:16:02 10ry7u-0000A1-00 SMTP error from remote mailer after
MAIL FROM: <coder@marvin.megadodo.umb> SIZE=1371: host smtp1.ibm.net
[165.87.194.243]: 451 <coder@marvin.megadodo.umb>... Unresolvable domainname. 
Contact your administrator.
1999-06-10 01:16:04 10ry7u-0000A1-00 == anyone@linux-learn.org
T=remote_smtp defer (0): SMTP error from remote mailer after MAIL FROM:
<coder@marvin.megadodo.umb> SIZE=1371: host smtp1.ibm.net [165.87.194.229]: 451
<coder@marvin.megadodo.umb>... Unresolvable domainname.  Contact your 
administrator.

	And here is what I got when I rewrote the headers with the 'F'
flag :

1999-06-10 23:54:04 10sJKO-00007a-00 <= ksteph1@ibm.net U=pgmr P=local
S=376
1999-06-10 23:54:04 10sJKO-00007a-00 == why-worry@linux-learn.org routing
defer (-32): retry time not reached
1999-06-10 23:56:14 10sJKO-00007a-00 => why-worry@linux-learn.org
R=smarthost T=remote_smtp H=smtp1.ibm.net [165.87.194.239]
1999-06-10 23:56:14 10sJKO-00007a-00 Completed

	I dont get the errors when the flags are set to 'F' or 'Ff', but
using 'f' alone as the flag setting doesnt work. Is this what you tried?

> Jor-el> Rewriting the header is not
the problem. > 
> Precisely. Exim even makes it super-easy. As you seem to have read the docs,
> where is the problem?
> 

	I dont contest the 'super-easy' bit if all you are talking about
is understanding the configuration file, and what it means. But surely,
setting up two servers to handle external and local mail cant be
classified as 'super-easy'.

 




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