Проверка почтового сервера

-> Connect to ssl://cbelt.ru:465
220 server12.hosting.reg.ru ESMTP Exim 4.98.2 Sun, 31 Aug 2025 18:45:09 +0300
-> EHLO uptimebot.ru
250-server12.hosting.reg.ru Hello uptimebot.ru [93.157.173.90]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH LOGIN PLAIN
250 HELP
-> quit
221 server12.hosting.reg.ru closing connection

Subject CN: *.hosting.reg.ru
SubjectAltName: DNS:*.hosting.reg.ru, DNS:hosting.reg.ru
Valid from: 2025-01-28 10:51:44
Valid to: 2026-03-01 10:51:43
Issuer CN: GlobalSign GCC R6 AlphaSSL CA 2023

Subject CN: GlobalSign GCC R6 AlphaSSL CA 2023
Valid from: 2023-07-19 06:43:25
Valid to: 2026-07-19 03:00:00
Issuer CN: GlobalSign