Downgrade mit stunnel

Installation

• apt install stunnel

Vorbereitung

• cd /etc/stunnel

Konfiguration

• vi imap.conf

debug = 7
foreground = yes
options = NO_SSLv2
output = /var/log/stunnel.log

[to-server]
client = yes
accept = 0.0.0.0:143
connect = mail.xinmen.de:993
CAPath = /etc/ssl/certs/
verify = 2

Restart

• systemctl restart stunnel@imap.service