Programs must be written for people to read, and only incidentally for machines to execute.

# nc mail.ehlo.ro 25
220 ehlo.ro ESMTP Exim Sat, 28 Jun 2025 11:35:00 +0300
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