>>> Line 1: This is a simple test.
>>> Line 2: This is a simple test.
>>> ..Line 3 has a leading dot
+>>> extra30chars234567890123456789
>>> last line: 4
>>> .
??? 250
>>> RCPT TO:<y@test.ex>
??? 250
<<< 250 Accepted
->>> BDAT 129 LAST
+>>> BDAT 161 LAST
>>> Subject: simple test
>>>
>>> Line 1: This is a simple test.
>>> Line 2: This is a simple test.
>>> .Line 3 has a leading dot
+>>> extra32chars234567890123456789
>>> last line: 4
??? 250-
-<<< 250- 129 byte chunk, total 129
+<<< 250- 161 byte chunk, total 161
??? 250
<<< 250 OK id=10HmbA-0005vi-00
>>> QUIT