Проверка почтового сервера

-> Connect to mx01.lpgroup.ru:25
220 mx01.lpgroup.ru Microsoft ESMTP MAIL Service, Version: 8.5.9600.16384 ready at Sun, 31 Aug 2025 10:30:53 +0300
-> EHLO uptimebot.ru
250-mx01.lpgroup.ru Hello [93.157.173.90]
250-TURN
250-SIZE 52428800
250-ETRN
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-8bitmime
250-BINARYMIME
250-VRFY
250-TLS
250-STARTTLS
250 OK
### STARTTLS found ###
-> STARTTLS
### STARTTLS started ok ###
-> EHLO uptimebot.ru
250-mx01.lpgroup.ru Hello [93.157.173.90]
250-TURN
250-SIZE 52428800
250-ETRN
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-8bitmime
250-BINARYMIME
250-CHUNKING
250-VRFY
250 OK
-> quit
221 2.0.0 mx01.lpgroup.ru Service closing transmission channel

Subject CN: mx01.lpgroup.ru
SubjectAltName: DNS:mx01.lpgroup.ru
Valid from: 2025-08-22 10:47:54
Valid to: 2025-11-20 10:47:53
Issuer CN: R13

Subject CN: R13
Valid from: 2024-03-13 03:00:00
Valid to: 2027-03-13 02:59:59
Issuer CN: ISRG Root X1