diff options
Diffstat (limited to 'emailwiz.sh')
| -rwxr-xr-x | emailwiz.sh | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/emailwiz.sh b/emailwiz.sh index eaa0f92..a5e7727 100755 --- a/emailwiz.sh +++ b/emailwiz.sh @@ -38,7 +38,7 @@ apt install postfix dovecot-imapd dovecot-sieve opendkim spamassassin spamc # Check if OpenDKIM is installed and install it if not. which opendkim-genkey >/dev/null 2>&1 || apt install opendkim-tools domain="$(cat /etc/mailname)" -subdom="mail" +subdom=${MAIL_SUBDOM:-mail} maildomain="$subdom.$domain" certdir="/etc/letsencrypt/live/$maildomain" @@ -66,6 +66,15 @@ postconf -e "smtpd_use_tls = yes" postconf -e "smtpd_tls_auth_only = yes" postconf -e "smtp_tls_security_level = may" postconf -e "smtp_tls_loglevel = 1" +postconf -e "smtp_tls_CAfile=$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. # Dovecot will be putting an authentication socket in /var/spool/postfix/private/auth @@ -127,6 +136,9 @@ echo "# Dovecot config ssl = required ssl_cert = <$certdir/fullchain.pem ssl_key = <$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 # Plaintext login. This is safe and easy thanks to SSL. auth_mechanisms = plain login @@ -235,7 +247,7 @@ chmod g+r /etc/postfix/dkim/* # Generate the OpenDKIM info: echo "Configuring OpenDKIM..." grep -q "$domain" /etc/postfix/dkim/keytable 2>/dev/null || -echo "$subdom._domainkey.$domain $domain:mail:/etc/postfix/dkim/mail.private" >> /etc/postfix/dkim/keytable +echo "$subdom._domainkey.$domain $domain:$subdom:/etc/postfix/dkim/$subdom.private" >> /etc/postfix/dkim/keytable grep -q "$domain" /etc/postfix/dkim/signingtable 2>/dev/null || echo "*@$domain $subdom._domainkey.$domain" >> /etc/postfix/dkim/signingtable |