Проверка почтового сервера
-> Connect to ssl://post.pointestate.ru:465
220 post.pointestate.ru ESMTP Postfix
-> EHLO uptimebot.ru
250-post.pointestate.ru
250-PIPELINING
250-SIZE 69632000
250-VRFY
250-ETRN
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
-> quit
221 2.0.0 Bye
Цепочка сертификатов:220 post.pointestate.ru ESMTP Postfix
-> EHLO uptimebot.ru
250-post.pointestate.ru
250-PIPELINING
250-SIZE 69632000
250-VRFY
250-ETRN
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
-> quit
221 2.0.0 Bye
Subject CN: *.pointestate.ru
SubjectAltName: DNS:*.pointestate.ru, DNS:pointestate.ru
Valid from: 2025-06-23 13:43:43
Valid to: 2026-07-25 13:43:42
Issuer CN: GlobalSign GCC R6 AlphaSSL CA 2025
SubjectAltName: DNS:*.pointestate.ru, DNS:pointestate.ru
Valid from: 2025-06-23 13:43:43
Valid to: 2026-07-25 13:43:42
Issuer CN: GlobalSign GCC R6 AlphaSSL CA 2025
Subject CN: GlobalSign GCC R6 AlphaSSL CA 2025
Valid from: 2025-05-21 05:36:52
Valid to: 2027-05-21 03:00:00
Issuer CN: GlobalSign
Valid from: 2025-05-21 05:36:52
Valid to: 2027-05-21 03:00:00
Issuer CN: GlobalSign
Subject CN: GlobalSign
Valid from: 2014-12-10 03:00:00
Valid to: 2034-12-10 03:00:00
Issuer CN: GlobalSign
Valid from: 2014-12-10 03:00:00
Valid to: 2034-12-10 03:00:00
Issuer CN: GlobalSign
Subject CN: ISRG Root X1
Valid from: 2015-06-04 14:04:38
Valid to: 2035-06-04 14:04:38
Issuer CN: ISRG Root X1
Valid from: 2015-06-04 14:04:38
Valid to: 2035-06-04 14:04:38
Issuer CN: ISRG Root X1
Subject CN: ISRG Root X1
Valid from: 2015-06-04 14:04:38
Valid to: 2035-06-04 14:04:38
Issuer CN: ISRG Root X1
Valid from: 2015-06-04 14:04:38
Valid to: 2035-06-04 14:04:38
Issuer CN: ISRG Root X1
Спасибо!