From: mouss (moussnetoyen.net)
Date: Wed Apr 23 2008 - 18:21:22 CDT

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Mauro Sanna wrote:
> Il giorno mer, 23/04/2008 alle 09.38 -0400, Brian Evans ha scritto:
>
>> Mauro Sanna wrote:
>>
>>> Il giorno mer, 23/04/2008 alle 10.40 +0200, mouss ha scritto:
>>>
>>>
>>>> Mauro Sanna wrote:
>>>>
>>>>
>>>>> I want to offer smtp to some clients.
>>>>> I don't know their networks so I can't include their addresses in
>>>>> main.cf to permit relay.
>>>>> The best solution is to use pop-before-smtp?
>>>>>
>>>>>
>>>>>
>>>>>
>>>> use SASL instead. See the SASL README.
>>>> it is also recommended to offer this over TLS (to avoid password
>>>> sniffing...). see the TLS README for more.
>>>>
>>>>
>>>>
>>> I have read http://www.postfix.org/SASL_README.html and configured
>>> main.cf and dovecot.conf, my pop3 and impa server is dovecot.
>>> I have tried to send mails and it does without asking me any user and
>>> password.
>>> Does sasl work in this way?
>>>
>>>
>> SASL allows you to accept mail as a relay for unknown IP addresses of
>> verified clients.
>> This keeps your relaying closed.
>> The only mynetworks setting you'll need is what you know is local.
>>
>
> I put in mynetworks only 127.0.0.1.
> Now for other nets postfix says relay access denied, It confirm that
> sasl is not working.
> I have put my configuration, it seems correct, now I don't know what
> also to try.
>
>

disable TLS until you get SASL working without TLS.

try a

% telnet 127.0.0.1 25
...
% EHLO localhost

and report what you see after EHLO. you should see two AUTH lines (a
standard one and a bugward compatibility one).

if you see them, then you must make sure your mailer (outlook,
thunderbird, ...) is configured to authenticate.

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