Quoting SW <dove...@bsdpanic.com>:

Hi All

First the essentials:

dovecot --version: 2.2.15

/usr/local/etc/dovecot/conf.d/10-ssl.conf:

ssl = required

ssl_cert =
</usr/local/openssl/certs/mail.domain.com.chained.dovecot.ecdsa.crt

ssl_key = </usr/local/openssl/certs/mail.domain.com.ecdsa.key

ssl_protocols = !SSLv2 !SSLv3

ssl_cipher_list =

HIGH:EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:EDH+aRSA:ECDHE-RSA-AES256-SHA:+DHE-RSA-AES256-SHA:!AES256-SHA256:!AES256-GCM-SHA384:!CAMELLIA256-SHA:!AES128:!CAMELLIA128:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4:!SEED:+AES256-SHA

ssl_prefer_server_ciphers = yes

I would really appreciate it if someone could tell me if my config is
super secure? I run the following email clients:

K9 on Android 4.4.2
Thunderbird 31.4
Outlook 2010

I'm interested to know if the config I have is secure and that my cipher
list is acceptable. I'm also keen  to hear thoughts on my config in
respect of Forward Secrecy and the SSLv3/POODLE attack.
Thanks!

 According to https://cipherli.st/
ssl = yes
ssl_cert = </etc/dovecot.cert
ssl_key = </etc/dovecot.key
ssl_protocols = !SSLv2 !SSLv3
ssl_cipher_list = AES128+EECDH:AES128+EDH
ssl_prefer_server_ciphers = yes # >Dovecot 2.2.6
Is what you want. 

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