+<<< 250 OK id=10HmbA-000000005vi-0000
+>>> MAIL FROM: <ليهمابتكلموشعربي؟@czech.Pročprostěnemluvíčesky.com> SMTPUTF8
+??? 250
+<<< 250 OK
+>>> RCPT TO: <usery@test.ex>
+??? 250
+<<< 250 Accepted
+>>> DATA
+??? 354
+<<< 354 Enter message, ending with "." on a line by itself
+>>> Subject: test
+>>>
+>>> body
+>>> .
+??? 250
+<<< 250 OK id=10HmbB-000000005vi-0000
+>>> QUIT
+??? 221
+<<< 221 the.local.host.name closing connection
+End of script
+220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
+250-the.local.host.name Hello CALLER at client.bh\r
+250-SIZE 52428800\r
+250-LIMITS MAILMAX=1000 RCPTMAX=50000\r
+250-8BITMIME\r
+250-PIPELINING\r
+250-SMTPUTF8\r
+250 HELP\r
+250 OK\r
+250 Accepted\r
+354 Enter message, ending with "." on a line by itself\r
+250 OK id=10HmaX-000000005vi-0000\r
+221 the.local.host.name closing connection\r
+Connecting to 127.0.0.1 port 1225 ... connected
+??? 220
+<<< 220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+>>> EHLO client
+??? 250-
+<<< 250-the.local.host.name Hello client [127.0.0.1]
+??? 250-SIZE
+<<< 250-SIZE 52428800
+??? 250-LIMITS
+<<< 250-LIMITS MAILMAX=1000 RCPTMAX=50000
+??? 250-8BITMIME
+<<< 250-8BITMIME
+??? 250-PIPELINING
+<<< 250-PIPELINING
+??? 250 HELP
+<<< 250 HELP
+>>> MAIL FROM: <someone@some.domain> SMTPUTF8
+??? 501
+<<< 501 SMTPUTF8 used when not advertised