Проверка почтового сервера

-> Connect to mail-server.shinservice.ru:25
220 mail-server.shinservice.ru
-> EHLO uptimebot.ru
250-koledge05.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-koledge05.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: koledge05
SubjectAltName: DNS:koledge05, DNS:koledge05.shinservice.ru
Valid from: 2025-07-11 12:49:07
Valid to: 2030-07-11 12:49:07
Issuer CN: koledge05