# RFC 5321 ยง4.5.2: a line starting with `.` inside DATA is dot-stuffed
# by the client (`..`); the server must strip one. A bare `.\r\n`
# terminates the message.
S: 220
C: EHLO test
S: 250-
S: 250-PIPELINING
S: 250-SIZE
S: 250-8BITMIME
S: 250-SMTPUTF8
S: 250-ENHANCEDSTATUSCODES
S: 250-AUTH PLAIN LOGIN
S: 250 HELP
C: MAIL FROM:<a@b>
S: 250
C: RCPT TO:<c@d>
S: 250
C: DATA
S: 354
C-DATA: Subject: dots
C-DATA: From: a@b
C-DATA: To: c@d
C-DATA: Date: Mon, 1 Jan 2024 00:00:00 +0000
C-DATA:
C-DATA: ..literal-dot
C-DATA: regular line
C-DATA-END
S: 250
C: QUIT
S: 221