Hardware: the parts of a computer that can be kicked.

# nc mail.ehlo.ro 25
220 ehlo.ro ESMTP Exim Wed, 11 Nov 2026 18:45:39 +0200
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250-ehlo.ro Hello noreverse.stranger [216.73.217.120]
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250-8BITMIME
250-PIPELINING
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP