Wietse Venema wrote:
<<< 421 #4.4.5 Too many TLS sessions at this timeThat is not a Postfix SMTP server response. It looks like a qmail SMTP server response.
Doesn't seem to be qmail either - I looked into netqmail-1.05-tls-smtpauth-20070417.patch and qmail-smtpd binary (strings) and didn't find any string resembling the one above.