Проверка почтового сервера

-> Connect to ssl://cbelt.ru:465
220 server12.hosting.reg.ru ESMTP Exim 4.99.1 Thu, 16 Apr 2026 00:17:41 +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: 2026-02-02 15:07:59
Valid to: 2027-03-06 15:07:58
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