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...attached the 2 errors that I am getting, one is from the distribution cert. Can a kind soul tell me the current way to do this in Linux? Perhaps I should use a free service? Which? TIA Raymond On 11/10/2020 2:20 PM, Aki Tuomi wrote: >> On 10/11/2020 19:17 Raymond Herrera<raymond at forcewise.com> wrote: >> >> >> This is a followup to my thread "Recommended Protocols?". >> The error message is as follows: >> dovecot: imap-login: Disconnected: TLS: SSL_read() failed: SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 4...

...nse as replacement for the 2 files provided by the distribution. I am guessing that I need somehow to append the 3rd file (ca_bundle.crt) to the first one? In order to raise its credibility? TIA On 11/10/2020 2:20 PM, Aki Tuomi wrote: >> On 10/11/2020 19:17 Raymond Herrera <raymond at forcewise.com> wrote: >> >> >> This is a followup to my thread "Recommended Protocols?". >> The error message is as follows: >> dovecot: imap-login: Disconnected: TLS: SSL_read() failed: SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 42...

This is a followup to my thread "Recommended Protocols?". The error message is as follows: dovecot: imap-login: Disconnected: TLS: SSL_read() failed: SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 42 I have selected both SSL/TLS and STARTTLS on the Thunderbird side, with identical results. The first question that I have is this. Is there any way to know

> On 10/11/2020 19:17 Raymond Herrera <raymond at forcewise.com> wrote: > > > This is a followup to my thread "Recommended Protocols?". > The error message is as follows: > dovecot: imap-login: Disconnected: TLS: SSL_read() failed: SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 42 > > I have...

I am postponing the Apache plugin issue (CentOS is not Certbot friendly) and requesting a standalone, generic certificate. After the command "1: Spin up a temporary webserver" I have the following 2 files in the folder /etc/letsencrypt: -rw-r--r-- 1 root root? 924 Nov 12 11:14 csr/0000_csr-certbot.pem -rw------- 1 root root 1708 Nov 12 11:14 keys/0000_key-certbot.pem The

After some experimenting with: (a) The Thunderbird client (b) The Linux command as client: % openssl s_client -connect dovecot-server:imaps I have arrived to a preliminary conclusion. The error that I am getting is this: dovecot: imap-login: Disconnected: TLS: SSL_read() failed: SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 42 It seems that the server

Following the advice obtained here, I am trying to get a LetsEncrypt certificate. These are the instructions: Step 1: https://snapcraft.io/docs/installing-snapd Step 2: https://certbot.eff.org/lets-encrypt/centosrhel7-apache My problem is this error message: # snap install --classic certbot error: system does not fully support snapd: cannot mount squashfs image using "squashfs":

On 11/12/2020 10:44 AM, Raymond Herrera wrote: > Following the advice obtained here, I am trying to get a LetsEncrypt > certificate. > > These are the instructions: > > Step 1: > https://snapcraft.io/docs/installing-snapd > > Step 2: > https://certbot.eff.org/lets-encrypt/centosrhel7-apache > > My problem is this error message: > > # snap install

Good. I am going to focus on the IMAP configuration and worry about SMTP later. The following is the relevant documentation. This is very straightforward: https://doc.dovecot.org/admin_manual/ssl/dovecot_configuration/ My file 10-ssl.conf is untouched. However, this is the part that I would like to better understand: https://doc.dovecot.org/admin_manual/ssl/certificate_creation/ Before

Hello all: For several years I have been running the following in a Linux server. Dovecot Version: 2.0.9 *IMAP:* Connection Security: SSL/TLS Port: 993 Authentication Method: Normal Password *SMTP:* Connection Security: STARTTLS Port: 587 Authentication Method: Normal Password The E-mail client is Thunderbird on Windows. I am preparing a new server, with Dovecot 2.2.36 and would like to know