Проверка почтового сервера

-> Connect to mail.yz-esk.ru:25
220 smtp.yz-esk.ru ESMTP Postfix (Astra)
-> EHLO uptimebot.ru
250-smtp.yz-esk.ru
250-PIPELINING
250-SIZE 33554432
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING
### STARTTLS found ###
-> STARTTLS
### STARTTLS started ok ###
-> EHLO uptimebot.ru
250-smtp.yz-esk.ru
250-PIPELINING
250-SIZE 33554432
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING
-> quit
221 2.0.0 Bye

Subject CN: astra-live
SubjectAltName: DNS:astra-live
Valid from: 2025-06-24 14:18:45
Valid to: 2035-06-22 14:18:45
Issuer CN: astra-live