I solved by adding
smtpd_tls_CAfile = /etc/letsencrypt/live/dpsoftware.org/fullchain.pem
to my main.cf postfix configuration file.
NICE!!!!
Il 2017-08-09 17:33 Davide Perini ha scritto:
> I have generated the certificates with Let's Encrypt using this guide:
>
> https://www.linode.com/docs/security/ssl/install-lets-encrypt-to-create-ssl-certificates
>
>
> Thunderbird does not complain anymore about self signed certificate and
> neither Chrome...
>
> ...but Roundcubemail continue to exit with an auth error when trying to send
> an email, this is the error in the maillog:
> Aug 9 17:26:52 netstar postfix/smtpd[12278]: warning: TLS library problem:
> 12278:error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown
> ca:s3_pkt.c:1275:SSL alert number 48:
>
> Can you help me please?
>
> Thanks,
> Davide
>
> Il 2017-08-09 10:45 Vincent Van Houtte ha scritto:
>
> There is a certain level of added risk if you do not verify the certificate,
> but for non-critical systems (that are secured properly nonetheless) I would
> assess this risk as acceptable.
>
> On the other hand: since Let's Encrypt started handing out free certificates,
> I don't see any reason to hold on to self-signed certificates. The process to
> acquire a new certificate and to periodically renew such certificate is
> pretty easy.
>
> Kr,
> Vincent
>
> Verzonden vanaf mijn Sony Xperia(tm)-smartphone
>
> ---- Davide Perini schreef ----
>
> Ok I switched to the SMTP auth but since I have a self signed certificate I
> have added those lines to my default.inc.php [1] file:
>
> $config['smtp_conn_options'] = array(
> 'ssl' => array(
> 'verify_peer' => false,
> 'verify_peer_name' => false,
> ),
> );
>
> and now it works.
>
> is this ok or I am creating some security problems or other type of problems?
>
> Thanks,
> Davide
>
> Il 2017-08-09 06:10 Vincent Van Houtte ha scritto:
>
> Do you mean you're using php's mail()-function to send emails? In that case I
> suggest you read the changelog before you upgrade...
>
> Kr,
> Vincent
>
> Verzonden vanaf mijn Sony Xperia(tm)-smartphone
>
> ---- Davide Perini schreef ----
>
> Nothing changed apart the roundcube version.
>
> In data 8 agosto 2017 22:39:02 mick crane <mick.cr...@gmail.com> ha scritto:
>
>> On 2017-08-08 21:07, Davide Perini wrote:
>>> Hi all,
>>> I use roundcubemail since years, I am running it on the latest Centos.
>>>
>>> As soon as I upgraded it to the 1.3 version I can't send email anymore
>>> using phpmail.
>>>
>>> When I try to send an email it says:
>>> "SMTP Error (554): ... "em...@email.it" non riuscito (5.7.1 [2]
>>> <sb...@email.it>: Relay access denied)"
>>>
>>> Can you help me please?
>>
>> if ISP some of them won't let you use "un-registered email addresses or
>> other SMTP servers.
>> maybe it is something like this if something changed ?
>>
>>
>> mick
>>
>>
>>
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>
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