* Ken N.:
> does ubuntu linux have the keystone chain management? thanks.
"Keychain" is Apple's name for an application that deals with
system-wide and user-specific passwords, certificates, and other
sensitive information. Ubuntu uses a different mechanism, as do the
other Linux distributions. S
On Sun, Aug 15, 2021 at 09:27:28PM +0200, Matus UHLAR - fantomas
wrote:
> > On Sat, Aug 14, 2021 at 02:43:29PM +0200, Matus UHLAR - fantomas
> > wrote:
> >
> > > - dedicated port for smtp/ssl was deprecated (in fact never standrdized)
>
> On 15.08.21 09:04, raf wrote:
> > I think that used t
does ubuntu linux have the keystone chain management? thanks.
On 2021/8/16 2:03 上午, Ralph Seichter wrote:
One can import self-signed certs and/or certificate authority data
directly into TB's own keystore, but importing into the OS keystore
(e.g. the system keychain for macOS) is usually more co
On 15.08.21 08:34, Lauren R wrote:
Thank you @raf. We were using the certs from a commercial CA, not the
free one.
this does not matter.
We use let's encrypt certificates on multiple servers. So far, certificates
for server-server communication are not required to be officially signed
which m
On Sat, Aug 14, 2021 at 02:43:29PM +0200, Matus UHLAR - fantomas
wrote:
- dedicated port for smtp/ssl was deprecated (in fact never standrdized)
On 15.08.21 09:04, raf wrote:
I think that used to be true, but they had a rethink.
This proposed standard (Jan 2018) indicates so:
3.3. Impli
* raf:
> Maybe Thunderbird only complains about self-signed certificates for
> getting mail (IMAPS/POPS), rather than for sending mail (SMTP/
> STARTTLS). I don't know.
Thunderbird complains about all certificates that cannot be verified
using either the OS keystore or TB's own keystore. That hap
On 2021-08-15 01:06, Lauren R wrote:
so for server to server use, we should deploy starttls on port 25?
yes
port 465, 587 is need password
Thank you @raf. We were using the certs from a commercial CA, not the
free one.
On 2021/8/15 8:05 上午, raf wrote:
On Sun, Aug 15, 2021 at 09:37:17AM +1000, raf wrote:
I recommend using a CA-approved certificate like
LetsEncrypt just because Postfix will use the same
certificate for submission
On Sun, Aug 15, 2021 at 09:37:17AM +1000, raf wrote:
> I recommend using a CA-approved certificate like
> LetsEncrypt just because Postfix will use the same
> certificate for submissions on port 587, and mail
> clients (like Thunderbird) might complain if a
> self-signed certificate is used in th
On Sun, Aug 15, 2021 at 07:06:06AM +0800, Lauren R wrote:
> On 2021/8/15 7:04 上午, raf wrote:
> > So "smtps" is dead. Long live "submissions".
> >
> > But it isn't for server-to-server use.
>
> so for server to server use, we should deploy starttls on port 25?
>
> thanks
> Lauren
Yes. Once you
so for server to server use, we should deploy starttls on port 25?
thanks
Lauren
On 2021/8/15 7:04 上午, raf wrote:
So "smtps" is dead. Long live "submissions".
But it isn't for server-to-server use.
On Sat, Aug 14, 2021 at 02:43:29PM +0200, Matus UHLAR - fantomas
wrote:
> - dedicated port for smtp/ssl was deprecated (in fact never standrdized)
I think that used to be true, but they had a rethink.
This proposed standard (Jan 2018) indicates so:
3.3. Implicit TLS for SMTP Submission
h
On 14.08.21 20:39, Lauren R wrote:
I have installed postfix on the ubuntu system, SSL port is enabled.
How can I force the other mail systems such as gmail to send messages
to my postfix via only SSL port?
you can't:
- dedicated port for smtp/ssl was deprecated (in fact never standrdized)
- no
Hi,
I have installed postfix on the ubuntu system, SSL port is enabled.
How can I force the other mail systems such as gmail to send messages to
my postfix via only SSL port?
Thanks.
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