Talk is cheap. Show me the code.

# nc mail.ehlo.ro 25
220 ehlo.ro ESMTP Exim Mon, 11 Nov 2024 18:34:52 +0200
EHLO noreverse.stranger
250-ehlo.ro Hello noreverse.stranger [192.168.59.73]
250-SIZE 52428800
250-8BITMIME
250-PIPELINING
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP