in hosts_connection_nolog? no (option unset)
LOG: smtp_connection MAIN
SMTP connection from CALLER
in hosts_connection_nolog? no (option unset)
LOG: smtp_connection MAIN
SMTP connection from CALLER
- SMTP syntax error in "HELO ?" U=CALLER NULL character(s) present (shown as '?')
-SMTP>> 501 NULL characters are not allowed in SMTP commands\r
+ SMTP syntax error in "HELO ?" U=CALLER NUL character(s) present (shown as '?')
+SMTP>> 501 NUL characters are not allowed in SMTP commands