Проверка почтового сервера

-> Connect to ssl://mail.oneplusone.fun:465
220 mail.oneplusone.fun ESMTP Postcow
-> EHLO uptimebot.ru
250-mail.oneplusone.fun
250-PIPELINING
250-SIZE 104857600
250-ETRN
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
-> quit
221 2.0.0 Bye

Subject CN: mail.oneplusone.fun
SubjectAltName: DNS:mail.oneplusone.fun
Valid from: 2025-06-10 10:26:17
Valid to: 2025-09-08 10:26:16
Issuer CN: R11

Subject CN: R11
Valid from: 2024-03-13 03:00:00
Valid to: 2027-03-13 02:59:59
Issuer CN: ISRG Root X1