Проверка почтового сервера
-> Connect to mail-server3.shinservice.ru:25
220 mail-server3.shinservice.ru
-> EHLO uptimebot.ru
250-ud1edge01.shinservice.ru Hello [93.157.173.90]
250-SIZE 37748736
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-X-ANONYMOUSTLS
250-X-EXPS NTLM
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250-XEXCH50
250 XSHADOW
### STARTTLS found ###
-> STARTTLS
### STARTTLS started ok ###
-> EHLO uptimebot.ru
250-ud1edge01.shinservice.ru Hello [93.157.173.90]
250-SIZE 37748736
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-X-EXPS NTLM
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250-XEXCH50
250 XSHADOW
-> quit
221 2.0.0 Service closing transmission channel
Сертификат сервера:220 mail-server3.shinservice.ru
-> EHLO uptimebot.ru
250-ud1edge01.shinservice.ru Hello [93.157.173.90]
250-SIZE 37748736
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-X-ANONYMOUSTLS
250-X-EXPS NTLM
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250-XEXCH50
250 XSHADOW
### STARTTLS found ###
-> STARTTLS
### STARTTLS started ok ###
-> EHLO uptimebot.ru
250-ud1edge01.shinservice.ru Hello [93.157.173.90]
250-SIZE 37748736
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-X-EXPS NTLM
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250-XEXCH50
250 XSHADOW
-> quit
221 2.0.0 Service closing transmission channel
Subject CN: ud1edge01
SubjectAltName: DNS:ud1edge01, DNS:ud1edge01.shinservice.ru
Valid from: 2025-07-04 16:10:41
Valid to: 2030-07-04 16:10:41
Issuer CN: ud1edge01
SubjectAltName: DNS:ud1edge01, DNS:ud1edge01.shinservice.ru
Valid from: 2025-07-04 16:10:41
Valid to: 2030-07-04 16:10:41
Issuer CN: ud1edge01
Спасибо!