Mailing List Archive: exim: users

SMTP AUTH

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Michael.Johnson at aststockplan

May 2, 2002, 6:38 AM

Post #1 of 24 (2887 views)
Permalink

SMTP AUTH

Hi all,
I am fairly new to EXIM, I have smtp auth working but not as I would
like. I would like it to validate off of a separate passwd files for each
virtual domain. Currently I have a passwd file under my primary domain and
force the users to auth using that domain.

I would like a user to do the following
auth with a username: user [at] domain and that go to
/etc/virtuallmail/domain.com/passwd to get the authentication information. I
do not think im far away but the few things I have tryed have not worked.
Here is my current plain text auth section. Thanks in advance for your help.
-MJ

THIS WORKS
plain:
driver = plaintext
public_name = PLAIN
server_condition = ${if
crypteq{$3}{${extract{1}{:}{${lookup{$2}lsearc
h{/etc/virtualmail/shell.xyphoid.com/passwd}{$value}}}}}{yes}{no}}
server_set_id = $2

login:
driver = plaintext
public_name = LOGIN
server_prompts = "Username:: : Password::"
server_condition = ${if
crypteq{$2}{${extract{1}{:}{${lookup{$1}lsearch{/et
c/virtualmail/shell.xyphoid.com/passwd}{$value}}}}}{yes}{no}}
server_set_id = $1

THIS DOES NOT
plain:
driver = plaintext
public_name = PLAIN
server_condition = ${if
crypteq{$3}{${extract{1}{:}{${lookup{$2}lsearc
h{/etc/virtualmail/${domain:$2}/passwd}{$value}}}}}{yes}{no}}
server_set_id = $2

login:
driver = plaintext
public_name = LOGIN
server_prompts = "Username:: : Password::"
server_condition = ${if
crypteq{$2}{${extract{1}{:}{${lookup{$1}lsearch{/et
c/virtualmail/${domain:$1}/passwd}{$value}}}}}{yes}{no}}
server_set_id = $1

fernando at secret

May 2, 2002, 7:42 AM

Post #2 of 24 (2838 views)
Permalink

Re: SMTP AUTH [In reply to]

> I would like a user to do the following
> auth with a username: user [at] domain and that go to
> /etc/virtuallmail/domain.com/passwd to get the authentication information. I
> do not think im far away but the few things I have tryed have not worked.
> Here is my current plain text auth section. Thanks in advance for your help.

Home this helps:

plain:
driver = plaintext
public_name = PLAIN
server_condition = ${if \
crypteq{$3}{${extract{1}{:}{${lookup{${local_part:$2}}\
lsearch{/etc/virtuallmail/${domain:$2}/passwd}{$value}fail}}}}{1}{0}}
server_set_id = $2

login:
driver = plaintext
public_name = LOGIN
server_prompts = "Username:: : Password::"
server_condition = ${if \
crypteq{$2}{${extract{1}{:}{${lookup{${local_part:$1}}\
lsearch{/etc/virtuallmail/${domain:$1}/passwd}{$value}fail}}}}{1}{0}}
server_set_id = $1

Michael.Johnson at aststockplan

May 2, 2002, 7:49 AM

Post #3 of 24 (2852 views)
Permalink

RE: SMTP AUTH [In reply to]

What seems to be happening is the domain (using netscape) is not showing
up... it cant find the file passwd as the logs says the path is
/etc/virtualmail//passwd in the log.. i am using as a username:
user [at] domain

Thanks

-MJ

-----Original Message-----
From: Elwood Blues [mailto:fernando [at] secret]
Sent: Thursday, May 02, 2002 10:42 AM
To: Johnson, Michael
Cc: 'exim-users [at] exim'
Subject: Re: [Exim] SMTP AUTH

> I would like a user to do the following
> auth with a username: user [at] domain and that go to
> /etc/virtuallmail/domain.com/passwd to get the authentication information.
I
> do not think im far away but the few things I have tryed have not worked.
> Here is my current plain text auth section. Thanks in advance for your
help.

Home this helps:

plain:
driver = plaintext
public_name = PLAIN
server_condition = ${if \
crypteq{$3}{${extract{1}{:}{${lookup{${local_part:$2}}\
lsearch{/etc/virtuallmail/${domain:$2}/passwd}{$value}fail}}}}{1}{0}}
server_set_id = $2

login:
driver = plaintext
public_name = LOGIN
server_prompts = "Username:: : Password::"
server_condition = ${if \
crypteq{$2}{${extract{1}{:}{${lookup{${local_part:$1}}\
lsearch{/etc/virtuallmail/${domain:$1}/passwd}{$value}fail}}}}{1}{0}}
server_set_id = $1

--

## List details at http://www.exim.org/mailman/listinfo/exim-users Exim
details at http://www.exim.org/ ##

ice at extreme

May 2, 2002, 8:18 AM

Post #4 of 24 (2838 views)
Permalink

RE: SMTP AUTH [In reply to]

On Thu, 2 May 2002, Johnson, Michael wrote:

> What seems to be happening is the domain (using netscape) is not showing
^^^^^^^^^^^^^^
> up... it cant find the file passwd as the logs says the path is
> /etc/virtualmail//passwd in the log.. i am using as a username:
> user [at] domain
^
^

you can just as well stop here. it won't work. netscape4 strips the at
sign (and everything after) off (oddly enough only with pop-3, not
with imap). i'm told it works with ns6, but never bothered to check.

--
[-]

Michael.Johnson at aststockplan

May 2, 2002, 8:22 AM

Post #5 of 24 (2876 views)
Permalink

RE: SMTP AUTH [In reply to]

Would it be possible to parse it with another delimiter say a : instead?

-----Original Message-----
From: Tamas TEVESZ [mailto:ice [at] extreme]
Sent: Thursday, May 02, 2002 11:19 AM
To: Johnson, Michael
Cc: 'exim-users [at] exim'
Subject: RE: [Exim] SMTP AUTH

On Thu, 2 May 2002, Johnson, Michael wrote:

> What seems to be happening is the domain (using netscape) is not showing
^^^^^^^^^^^^^^
> up... it cant find the file passwd as the logs says the path is
> /etc/virtualmail//passwd in the log.. i am using as a username:
> user [at] domain
^
^

you can just as well stop here. it won't work. netscape4 strips the at
sign (and everything after) off (oddly enough only with pop-3, not
with imap). i'm told it works with ns6, but never bothered to check.

--
[-]

ice at extreme

May 2, 2002, 8:29 AM

Post #6 of 24 (2826 views)
Permalink

RE: SMTP AUTH [In reply to]

On Thu, 2 May 2002, Johnson, Michael wrote:

> Would it be possible to parse it with another delimiter say a : instead?

i used a '#' and '%' as a replacement. as i went for being
transparent, it needed nice changes to my pop server of choice, and
added some complications to the authenticator.

ps. i'd be grateful if you'd stop top-quoting. thanks.

--
[-]

v.augustin at multiartstudio

May 2, 2002, 12:32 PM

Post #7 of 24 (2852 views)
Permalink

Re: SMTP AUTH [In reply to]

hi,

i have the same problem too, ...
for an athentication example, see my last posting (open relay... ...2hours ago )
...
for avoiding your host to be a spam-relay.... i'm still thinking about that :) i will tell you details as soon as i have figured it out....

volker

Val Polyakov wrote:

> Hello
>
> I have compiled exim 4.04 with AUTH_CRAM_MD5, AUTH_PLAINTEXT, and AUTH_SPA options compiled in. My goal is to have relaying denied by default to everyone, and only those that authenticate themselves can use it. I have read the docs on exim.org's site however they left me very unclear on how to accomplish this, perhaps it is because I have never set up smtp auth before, I don't know...
> The 10 users that will be using this all use MS Outlook 2000
> Perhaps, somebody on here who has set this up already will be kind enough to walk me through the required set up? may be give your exim.conf to me so I could look at it..?
>
> Any help you give on this subject will be greatly appreciated
>
> Thank you,
>
> Val Polyakov
>
> --
>
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim details at http://www.exim.org/ ##

vxp at reg-tech

May 2, 2002, 6:36 PM

Post #8 of 24 (2841 views)
Permalink

SMTP AUTH [In reply to]

Hello

I have compiled exim 4.04 with AUTH_CRAM_MD5, AUTH_PLAINTEXT, and AUTH_SPA options compiled in. My goal is to have relaying denied by default to everyone, and only those that authenticate themselves can use it. I have read the docs on exim.org's site however they left me very unclear on how to accomplish this, perhaps it is because I have never set up smtp auth before, I don't know...
The 10 users that will be using this all use MS Outlook 2000
Perhaps, somebody on here who has set this up already will be kind enough to walk me through the required set up? may be give your exim.conf to me so I could look at it..?

Any help you give on this subject will be greatly appreciated

Thank you,

Val Polyakov

savage at savage

Apr 28, 2003, 12:32 PM

Post #9 of 24 (2839 views)
Permalink

Re: smtp auth [In reply to]

Sweet!

Thanks John... It would seem very similar to a PAM setup indeed as the
manual states.. I'll give them a try.

--
me

----- Original Message -----
From: "John Jetmore" <jetmore [at] cinergycom>
To: "Chris Knipe" <savage [at] savage>
Cc: <exim-users [at] exim>
Sent: Monday, April 28, 2003 8:56 PM
Subject: Re: [Exim] smtp auth

> On Mon, 28 Apr 2003, Chris Knipe wrote:
>
> > Lo all,
> >
> > Does anyone have some examples on getting exim4 to authenticate against
> > radius??
>
> These worked, I believe, but I never got beyond evaluating radius (we
> opted against using it) so these might have problems:
>
> radius_auth_plain:
> driver = plaintext
> public_name = PLAIN
> server_condition = ${if radius{$2:$3}{yes}{no}}
> server_set_id = $2
>
> radius_auth_login:
> driver = plaintext
> public_name = LOGIN
> server_prompts = Username:: : Password::
> server_condition = ${if radius{$1:$2}{yes}{no}}
> server_set_id = $1
>
> --John
>
>
>
> --
>
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim
details at http://www.exim.org/ ##
>

antony at antgel

Sep 23, 2003, 4:54 AM

Post #10 of 24 (2842 views)
Permalink

Re: SMTP AUTH [In reply to]

Tamas TEVESZ wrote:
> On Tue, 23 Sep 2003, Antony Gelberg wrote:
>
> > echo -n '\0bob\0Bob123'| mimencode
> ^^ ^^
>
> these don't give you binary zeroes.

Ok, I got that from Section 35.3 in the manual. I'm not sure what you mean
by a "binary zero", isn't a binary zero... zero? :)

But that line is just for testing anyways. It also doesn't work when I do a
test outgoing email from Outlook Express.

Is the format of my /etc/exim/passwd okay? I've tried uncrypted passwords
(as above), and copying and pasting a crypted password from /etc/shadow also
doesn't work.

You might have guessed that I'm quite new to the intricasies of password
encryption, but I just need that last bit of help to get things working.

A

eximusers at downhill

Sep 23, 2003, 5:07 AM

Post #11 of 24 (2835 views)
Permalink

Re: SMTP AUTH [In reply to]

On Tue, Sep 23, 2003 at 01:41:06PM +0200, Tamas TEVESZ wrote:
> On Tue, 23 Sep 2003, Antony Gelberg wrote:
>
> > echo -n '\0bob\0Bob123'| mimencode
> ^^ ^^
>
> these don't give you binary zeroes.

Nice catch. Use echo -e -n (not available in any shell) or
printf '\0bob\0Bob123'.

Additionally Antony is using auth plain syntax with an auth login
command, auth login expects user/pasword in $1/$2 (either given as
argument or in response to Password and Login prompt) while auth plain
expects them in $2/$3, i.e.
printf 'bob\0Bob123'| mimencode
Ym9iAEJvYjEyMw==

cu andreas

eximusers at downhill

Sep 23, 2003, 5:18 AM

Post #12 of 24 (2846 views)
Permalink

Re: SMTP AUTH [In reply to]

On Tue, Sep 23, 2003 at 12:54:00PM +0100, Antony Gelberg wrote:
[...]
> But that line is just for testing anyways. It also doesn't work when I do a
> test outgoing email from Outlook Express.
[...]

Iirc there are some clients that require the MTA to advertise "AUTH=LOGIN"
instead of "AUTH LOGIN", why don't you try with AUTH PLAIN, which is a
proper standard?

> Is the format of my /etc/exim/passwd okay? I've tried uncrypted passwords
> (as above), and copying and pasting a crypted password from /etc/shadow also
> doesn't work.

The example authenticators in exim3 (Debian woody) expect a colon
separated file with encrypted passwords, i.e.
bob:UAMw3v/VSBiEA
cu andreas

antony at antgel

Sep 23, 2003, 5:27 AM

Post #13 of 24 (2842 views)
Permalink

Re: SMTP AUTH [In reply to]

Andreas Metzler wrote:
> On Tue, Sep 23, 2003 at 01:41:06PM +0200, Tamas TEVESZ wrote:
>> On Tue, 23 Sep 2003, Antony Gelberg wrote:
>>
>> > echo -n '\0bob\0Bob123'| mimencode
>> ^^ ^^
>>
>> these don't give you binary zeroes.
>
> Nice catch. Use echo -e -n (not available in any shell) or
> printf '\0bob\0Bob123'.
>
> Additionally Antony is using auth plain syntax with an auth login
> command, auth login expects user/pasword in $1/$2 (either given as
> argument or in response to Password and Login prompt) while auth plain
> expects them in $2/$3, i.e.
> printf 'bob\0Bob123'| mimencode
> Ym9iAEJvYjEyMw==
>
> cu andreas

Hi Andreas, I recognise you from debian-user. :)

That all makes perfect sense. Clearly I'm on the right road, but still no
cigar:

auth login Ym9iAEJvYjEyMw==
>>> login authenticator:
>>> $1 = bob
>>> $2 = Bob123
>>> expanded string: 0
535 Incorrect authentication data

I had the (incorrect?) idea of colon-separating /etc/exim/passwd, and it
contains the line:
bob:Bob123

A

eximlists at humph

Sep 23, 2003, 5:30 AM

Post #14 of 24 (2841 views)
Permalink

Re: SMTP AUTH [In reply to]

At 12:54 +0100 2003/09/23, Antony Gelberg wrote:
[...]
>You might have guessed that I'm quite new to the intricasies of password
>encryption, but I just need that last bit of help to get things working.

0x01

Hope this helps

Giuliano

antony at antgel

Sep 23, 2003, 5:47 AM

Post #15 of 24 (2840 views)
Permalink

Re: SMTP AUTH [In reply to]

Andreas Metzler wrote:
> On Tue, Sep 23, 2003 at 12:54:00PM +0100, Antony Gelberg wrote:
> [...]
>> But that line is just for testing anyways. It also doesn't work
>> when I do a test outgoing email from Outlook Express.
> [...]
>
> Iirc there are some clients that require the MTA to advertise
> "AUTH=LOGIN" instead of "AUTH LOGIN", why don't you try with AUTH
> PLAIN, which is a
> proper standard?
>

I'd love to, however my (l)users all love Microsoft - I understand that AUTH
LOGIN is correct for a MS client?

>> Is the format of my /etc/exim/passwd okay? I've tried uncrypted
>> passwords (as above), and copying and pasting a crypted password
>> from /etc/shadow also doesn't work.
>
> The example authenticators in exim3 (Debian woody) expect a colon
> separated file with encrypted passwords, i.e.
> bob:UAMw3v/VSBiEA
> cu andreas

Aha! That's it - but how do you encrypt Bob123 to give UAMw3v/VSBiEA? I
tried copying password strings from /etc/shadow, but no dice...

A

eximusers at downhill

Sep 23, 2003, 6:38 AM

Post #16 of 24 (2834 views)
Permalink

Re: SMTP AUTH [In reply to]

On Tue, Sep 23, 2003 at 01:47:28PM +0100, Antony Gelberg wrote:
> Andreas Metzler wrote:
>> On Tue, Sep 23, 2003 at 12:54:00PM +0100, Antony Gelberg wrote:
>> [...]
>>> But that line is just for testing anyways. It also doesn't work
>>> when I do a test outgoing email from Outlook Express.
>> [...]
>> Iirc there are some clients that require the MTA to advertise
>> "AUTH=LOGIN" instead of "AUTH LOGIN", why don't you try with AUTH
>> PLAIN, which is a
>> proper standard?

> I'd love to, however my (l)users all love Microsoft - I understand that AUTH
> LOGIN is correct for a MS client?

I do not know, I'd try it. Today even Pegasus Mail supports CRAM MD5
and TLS encryption.

> >> Is the format of my /etc/exim/passwd okay? I've tried uncrypted
> >> passwords (as above), and copying and pasting a crypted password
> >> from /etc/shadow also doesn't work.

>> The example authenticators in exim3 (Debian woody) expect a colon
>> separated file with encrypted passwords, i.e.
>> bob:UAMw3v/VSBiEA

> Aha! That's it - but how do you encrypt Bob123 to give UAMw3v/VSBiEA? I
> tried copying password strings from /etc/shadow, but no dice...

That should work. I've used htpasswd.

To make sure you can doublecheck with
/usr/sbin/exim -be '${if crypteq{Bob123}{UAMw3v/VSBiEA}{yes}{no}}'

Could you post your auth-section (without comments)?
cu andreas
--
"See, I told you they'd listen to Reason," [SPOILER] Svfurlr fnlf,
fuhggvat qbja gur juveyvat tha.
Neal Stephenson in "Snow Crash"

ketvin at silicon

Nov 19, 2003, 3:03 AM

Post #17 of 24 (2851 views)
Permalink

Re: smtp auth [In reply to]

is there any way like

EHLO
AUTH <login> <password>
MAIL from: <...>
RCPT to: <...>

maybe that is what i've been looking for ...

----- Original Message -----
From: "Jens Vonderheide" <vonderheide [at] redlink>
To: "ketvin" <ketvin [at] silicon>
Sent: Wednesday, November 19, 2003 5:06 PM
Subject: Re: [Exim] smtp auth

> ketvin wrote:
>
> > then it return me with "relay not permitted" , is there any way i can
get over this ? i saw a AUTH there, how do i use that one ?
>
> If you just want to send a mail, follow the recommendations in the other
> responses and don't use telnet.
> If you want to debug something by telnetting, take a look at
> http://www.exim.org/exim-html-4.20/doc/html/spec_toc.html#TOC222 on how
> the AUTH works and the string needed is contructed.
>
> Jens
>
>

rkuettner at netkom-sachsen

Nov 19, 2003, 3:11 AM

Post #18 of 24 (2831 views)
Permalink

Re: smtp auth [In reply to]

ketvin <ketvin [at] silicon> wrote:

> is there any way like
>
> EHLO
> AUTH <login> <password>
> MAIL from: <...>
> RCPT to: <...>
>

Yes. See 32.3 in the Exim4 specification on how to create the authentication
data.

> [..]

mh+exim-users at zugschlus

Mar 22, 2005, 11:58 PM

Post #19 of 24 (2839 views)
Permalink

Re: smtp auth [In reply to]

On Tue, 22 Mar 2005 15:19:17 -0600 (CST), punatech [at] punatech wrote:
>current ehlo response
>220 example.com Sendmail ready.

As you have already been told on the pkg-exim4-users mailing list (and
which you have not bothered to reply): You are very obviously not
running exim.

Greetings
Marc

--
-------------------------------------- !! No courtesy copies, please !! -----
Marc Haber | " Questions are the | Mailadresse im Header
Mannheim, Germany | Beginning of Wisdom " | http://www.zugschlus.de/
Nordisch by Nature | Lt. Worf, TNG "Rightful Heir" | Fon: *49 621 72739834

mh+exim-users at zugschlus

Mar 23, 2005, 10:43 PM

Post #20 of 24 (2835 views)
Permalink

Re: smtp auth [In reply to]

On Wed, 23 Mar 2005 07:58:24 +0100, Marc Haber
<mh+exim-users [at] zugschlus> wrote:
>On Tue, 22 Mar 2005 15:19:17 -0600 (CST), punatech [at] punatech wrote:
>>current ehlo response
>>220 example.com Sendmail ready.
>
>As you have already been told on the pkg-exim4-users mailing list (and
>which you have not bothered to reply): You are very obviously not
>running exim.

Sorry, I have deleted your private reply too fast. exim's Debian
packages don't call themselves "Sendmail" in the greeting banner.
That's why I doubt that you're running exim. If you changed the
banner, you would know that and would be able to tell.

This is what an exim banner looks like:
|220 torres.int.l21.ma.zugschlus.de ESMTP Exim 4.50 Thu, 24 Mar 2005 06:40:28 +0100

And I am not aware that it is possible to have exim reject EHLO.

I don't know which MTA you are running, but I am pretty sure that it
is not exim.

Greetings
Marc

--
-------------------------------------- !! No courtesy copies, please !! -----
Marc Haber | " Questions are the | Mailadresse im Header
Mannheim, Germany | Beginning of Wisdom " | http://www.zugschlus.de/
Nordisch by Nature | Lt. Worf, TNG "Rightful Heir" | Fon: *49 621 72739834

Jason.Meers at mv-online

Nov 22, 2006, 2:17 AM

Post #21 of 24 (2851 views)
Permalink

Re: smtp auth [In reply to]

Nigel Metheringham wrote:
> For exim/exchange integration issues I suggest you look at Jason Meers'
> paper from the exim conference:-
> http://www.uit.co.uk/exim-conference/full-papers/jason-meers.pdf
>
> (General info at http://www.uit.co.uk/exim-conference/ )
>
> Nigel.
>
> --
> [ Nigel Metheringham Nigel.Metheringham [at] InTechnology ]
> [. - Comments in this message are my own and not ITO opinion/policy - ]
>
>
>
>
I don't cover SMTP AUTH specifically in the paper, but I've been asked a
few times about it recently.

I've never needed to do this before because I explicitly trust my exim
box. My firewall/DMZ rules wont allow any other host to connect directly
to my exchange server for SMTP (now using scalix instead of exchange and
would never go back).
Could strong firewall/DMZ security provide an easier solution to your
problem, by allowing you to just accept messages anonymously from a
"trusted" host?

These links might help:

http://www.computerperformance.co.uk/exchange2003/exchange2003_SMTP_Auth_Login.htm
http://support.microsoft.com/kb/823019/
Search the MS site for "SMTPConnectionsNote.doc"

If any of you get this working properly please send me the relevant
section of your exim config and exchange settings and I'll add them to
the paper.

Thanks
Jason_Meers
--
www.exim-new-users.co.uk

--
## List details at http://www.exim.org/mailman/listinfo/exim-users
## Exim details at http://www.exim.org/
## Please use the Wiki with this list - http://www.exim.org/eximwiki/

jnatola at hotmail

Nov 22, 2006, 1:52 PM

Post #22 of 24 (2804 views)
Permalink

Re: smtp auth [In reply to]

>>>I don't cover SMTP AUTH specifically in the paper, but I've been
>asked a few times about it recently.
>
>I've never needed to do this before because I explicitly trust my exim box.
>My firewall/DMZ rules wont allow any other host to connect directly to my
>exchange server for SMTP (now using scalix instead of exchange and would
>never go back).
>Could strong firewall/DMZ security provide an easier solution to your
>problem, by allowing you to just accept messages anonymously from a
>"trusted" host?

Well here's the situation, many of our field offices (with SLOW
connections, 14.4 28.8)
cannot feasibly use exchange RPC over http , so they use the SMTP of their
ISP, half of the stuff they attempt to send gets caught in the spam filters
due to the various factors-

If I can get smtp auth up and running on exim that can in theory help my
particular case,however, correct me if i;m wrong, I would have to create a
list of said field staff user id's and passwords to allow them to relay ?

_________________________________________________________________
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chris at ex-parrot

Nov 22, 2006, 2:03 PM

Post #23 of 24 (2817 views)
Permalink

Re: smtp auth [In reply to]

On Wed, Nov 22, 2006 at 04:52:05PM -0500, jean-paul natola wrote:
[...]
> If I can get smtp auth up and running on exim that can in theory help my
> particular case,however, correct me if i;m wrong, I would have to create a
> list of said field staff user id's and passwords to allow them to relay ?

yes, if that's the level of security you need. You could
have a single username and password if it fits your threat
model. Or you could have exim call out to the Exchange
server over its fast network link to authenticate,
assuming there's a convenient way to do that (e.g. you
could use something like smbclient to test users' Windows
passwords).

I take it Exchange itself doesn't support message
submission over authenticated SMTP?

--
```Our team was the worst in the First Division and I'm sure it'll be the worst
in the Premier League.'' [Sir Jack actually said] ``Our tea was the worst in
the First Division and I'm sure it'll be the worst in the Premier League.''
Profuse apologies.' (correction, in The Guardian)

--
## List details at http://www.exim.org/mailman/listinfo/exim-users
## Exim details at http://www.exim.org/
## Please use the Wiki with this list - http://www.exim.org/eximwiki/

wbh at conducive

Jun 28, 2009, 10:13 PM

Post #24 of 24 (1591 views)
Permalink

Re: SMTP AUTH [In reply to]

Jörgen Tegnér wrote:
> Hi,
>
> new to the list, please excuse me if this has been handled before.
>
> When exim connects to my ISPs mailserver mailout.telia.com, it replies that
> its name is pne-smtpout1.glb.skanova.net
> Checking the nameserver confirms that mailout is just an alias for the
> longer name.
>
> Entering mailout.telia.com:user:password results in a failed connection,
> changing to the alias works.
>
> Shouldn't exim be ablie to connect using both the alias and the real
> mailserver name?
>
> The version is exim 4.69, from debian unstable
>
> /Jlörgen

'...just an alias' may be what the DNS reflects, but what the actual server -
and/or the router, firewall, proxy, cache, NAT box it (or *several* such 'its'
in a pool) MAY be behind, wants to see is another matter.

IOW - doesn't look like an Exim failing, and you'll need to just go with what works.

Bill

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