Best distro for Exim/Cyrus
Paul O'Rorke
paul at tracker-software.com
Thu Feb 20 00:39:31 EST 2014
Looking at this:
http://www.exim.org/exim-html-current/doc/html/spec_html/ch-smtp_authentication.html
maybe I should be specifying a client_ parameter for SMTP auth?
Too many changes - tired and need sleep. Hopefully I'll have something
clearer in the morning.
*Paul O'Rorke*
Tracker Software Products
paul at tracker-software.com <mailto:paul.ororke at tracker-software.com>
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On 2/19/2014 9:00 PM, Paul O'Rorke wrote:
> Another strange this. The encrypted passwords would not be a problem
> if I could get TLS working, I could auth with *login_sasl_server* but
> even though exim appears to be advertising STARTTLS none of the MUA
> clients I've tested recognise the TLS. (Thunderbird and Outlos 2013)
>
> When I use swaks to test the connection I get:
>
> root at vm-manager:~# swaks -a -tls -q HELO -s
> chemainus.mjbrownloos.com -au hire -ap '<>'
> === Trying chemainus.mjbrownloos.com:25...
> === Connected to chemainus.mjbrownloos.com.
> <- 220 blmail.chemainus.mjbrownloos.com ESMTP Exim 4.80 Wed, 19
> Feb 2014 20:57:30 -0800
> -> EHLO vm-manager.chemaimus.tracker-software.com
> <- 250-blmail.chemainus.mjbrownloos.com Hello
> vm-manager.chemaimus.tracker-software.com [192.168.4.254]
> <- 250-SIZE 52428800
> <- 250-8BITMIME
> <- 250-PIPELINING
> <- 250-STARTTLS
> <- 250 HELP
> -> STARTTLS
> <- 220 TLS go ahead
> === TLS started w/ cipher DHE-RSA-AES256-SHA
> === TLS peer subject DN="/C=CA/ST=British
> Columbia/L=Chemainus/O=MJ Brown Ltd/OU=Brown
> Loos/CN=blmail.chemainus.mjbrownloos.com"
> ~> EHLO vm-manager.chemaimus.tracker-software.com
> <~ 250-blmail.chemainus.mjbrownloos.com Hello
> vm-manager.chemaimus.tracker-software.com [192.168.4.254]
> <~ 250-SIZE 52428800
> <~ 250-8BITMIME
> <~ 250-PIPELINING
> <~ 250-AUTH DIGEST-MD5
> <~ 250 HELP
> ~> QUIT
> <~ 221 blmail.chemainus.mjbrownloos.com closing connection
> === Connection closed with remote host.
>
> so why would clients not be able to use TLS? Auto-config in both
> clients returns with no TLS options.
>
> confused but determined to get there...
>
> *Paul O'Rorke* Tracker Software Products paul at tracker-software.com
> <mailto:paul.ororke at tracker-software.com>
>
> On 2/19/2014 8:50 PM, Paul O'Rorke wrote:
>> Hi again guys,
>>
>> thanks for the help thus far. I have managed to get cyrus talking
>> with exim to deliver mail (the -a inside the quotes did this) and I
>> have the cyrus_sasl driver authenticating using DIGEST-MD5:
>>
>> digest_md5_sasl_server:
>> driver = cyrus_sasl
>> public_name = DIGEST-MD5
>> server_realm = chemainus.mjbrownloos.com
>> server_set_id = $auth1
>> .ifndef AUTH_SERVER_ALLOW_NOTLS_PASSWORDS
>> server_advertise_condition = ${if eq{$tls_cipher}{}{}{*}}
>> .endif
>>
>> I can receive mail OK, exim passes it to cyrus and I can work with
>> mailboxes in Thunderbird however I don't seem to be able to
>> authenticate to the SMTP server when sending. Do I need to specify a
>> separate auth for sending through SMTP?
>>
>> If I turn on *AUTH_SERVER_ALLOW_NOTLS_PASSWORDS = yes* I can send if
>> I enable *login_sasl_server* but I'm sending plaintext passwords. :-(
>>
>> If I turn off *AUTH_SERVER_ALLOW_NOTLS_PASSWORDS = yes* then I cannot
>> send using *login_sasl_server* because it obviously needs an
>> encrypted password but I keep getting the message relay not permitted.
>>
>> If I disable login_sasl_server leaving only the
>> *digest_md5_sasl_server* I still get relay not permitted so it seems
>> it's not authenticating on send.
>>
>> If it can authenticate for IMAP using *digest_md5_sasl_server* why
>> would it fail when sending?
>>
>> regards
>>
>> *Paul O'Rorke*
>> Tracker Software Products paul at tracker-software.com
>> <mailto:paul.ororke at tracker-software.com>
>>
>> On 2/17/2014 12:42 AM, Vladislav Kurz wrote:
>>>
>>> On Saturday 15 of February 2014 00:05:59 Paul O'Rorke wrote:
>>>
>>> > If I don't use any encrypted passwords I can log in, work with
>>>
>>> > mailboxes, receive mail but not send (relay not permitted which I
>>>
>>> > suspect is so as to not be an open relay..?)
>>>
>>> You can always set relay_nets (using "dpkg-reconfigure
>>> exim4-config") to your local subnet.
>>>
>>> > What do I need to do to authenticate with the cyrus_sasl db? Why would
>>>
>>> > the authenticator driver "cyrus_sasl" not be available? Do I need to
>>>
>>> > enable that somewhere?
>>>
>>> I'm not sure but check if you have installed these packages:
>>>
>>> sasl2-bin, libsasl2-modules and exim4-daemon-heavy (instead of -light).
>>>
>>> > I've read so many conflicting pages I've completely confused myself.
>>>
>>> > Maybe I should be looking at TLS/SSL now...
>>>
>>> If you are on secure net, try setting
>>> AUTH_SERVER_ALLOW_NOTLS_PASSWORDS = yes (in
>>> conf.d/main/00_whatever), to allow plaintext auth.
>>>
>>> --
>>>
>>> S pozdravem
>>>
>>> Vladislav Kurz
>>>
>>> === WebStep, s.r.o. (Ltd.) ========= a step to the Web ===
>>>
>>> address: Mezirka 1, 602 00 Brno, CZ, tel: +420 548 214 711
>>>
>>> === www.webstep.net ======= vladislav.kurz at webstep.net ===
>>>
>>>
>>>
>>> ----
>>> Cyrus Home Page:http://www.cyrusimap.org/
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>>
>
>
>
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