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Re: Email Problem

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  Re: Email Problem Michel Verdier <mv524@free.fr> - 2024-11-28 09:50 +0100

#274948 — Re: Email Problem

On 2024-11-27, Stephen P. Molnar wrote:

> Bookworm and have been using the Epyrus email client for some time now without
> any problems.
>
> Suddenly I am getting a popup that is quite insistent.

The popup seems to say that you server has a wrong certificate. Do you look
at the certificate epyrus find ? Perhaps it is expired and you need to
renew it. Or the certificate do not contain your server name ?

If I look at it :

$ openssl s_client -showcerts -connect mail.insilicochemistry.net:995 </dev/null
CONNECTED(00000003)
depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root G2
verify return:1
depth=1 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = RapidSSL TLS RSA CA G1
verify return:1
depth=0 CN = *.stackmail.com
verify return:1
[...]

CN contains *.stackmail.com and not mail.insilicochemistry.net. So you
have to validate it manually if your server is hosted by stackmail.com.
It seems to be that :

$ dig mail.insilicochemistry.net
[...]
;; ANSWER SECTION:
mail.insilicochemistry.net. 2863 IN	CNAME	mail.stackmail.com.
mail.stackmail.com.	2863	IN	A	185.151.28.85
mail.stackmail.com.	2863	IN	A	185.151.28.68
mail.stackmail.com.	2863	IN	A	185.151.28.84

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