Merge pull request #49 from Mqr10/master

Enforce TLS1.2 connections
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Luke Smith 2020-11-30 18:55:57 -05:00 committed by GitHub
commit 41083d5ca4
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@ -66,6 +66,15 @@ postconf -e "smtpd_use_tls = yes"
postconf -e "smtpd_tls_auth_only = yes" postconf -e "smtpd_tls_auth_only = yes"
postconf -e "smtp_tls_security_level = may" postconf -e "smtp_tls_security_level = may"
postconf -e "smtp_tls_loglevel = 1" postconf -e "smtp_tls_loglevel = 1"
postconf -e "smtp_tls_CAfile=$certdir/cert.pem"
postconf -e "smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
postconf -e "smtp_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
postconf -e "smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
postconf -e "smtp_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
postconf -e "tls_preempt_cipherlist = yes"
postconf -e "smtpd_tls_exclude_ciphers = aNULL, LOW, EXP, MEDIUM, ADH, AECDH, MD5,
DSS, ECDSA, CAMELLIA128, 3DES, CAMELLIA256,
RSA+AES, eNULL"
# Here we tell Postfix to look to Dovecot for authenticating users/passwords. # Here we tell Postfix to look to Dovecot for authenticating users/passwords.
# Dovecot will be putting an authentication socket in /var/spool/postfix/private/auth # Dovecot will be putting an authentication socket in /var/spool/postfix/private/auth
@ -127,6 +136,9 @@ echo "# Dovecot config
ssl = required ssl = required
ssl_cert = <$certdir/fullchain.pem ssl_cert = <$certdir/fullchain.pem
ssl_key = <$certdir/privkey.pem ssl_key = <$certdir/privkey.pem
ssl_min_protocol = TLSv1.2
ssl_cipher_list = ALL:!RSA:!CAMELLIA:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4:!SHA1:!SHA256:!SHA384:!LOW@STRENGTH
ssl_prefer_server_ciphers = yes
ssl_dh = </usr/share/dovecot/dh.pem ssl_dh = </usr/share/dovecot/dh.pem
# Plaintext login. This is safe and easy thanks to SSL. # Plaintext login. This is safe and easy thanks to SSL.
auth_mechanisms = plain login auth_mechanisms = plain login