220-Welcome to web4.e-tiger.net,
220- [ The current time is 2019-11-22 12:14. There are 0 users online. ]
220- -> Please note: we are monitoring this service, all
220 login attempts are logged.
220 mx1.e-tiger.net ESMTP Exim-NetSys Thu, 10 Oct 2019 06:55:57 +0200
451-You have no reverse DNS, internet connections / mail servers must have one!
451-Please contact your internet provider or your system administrator! Our
451 customers should try to use port 1025.
214 AUTH STARTTLS HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP EXPN VRFY