Fix SMTP client config

emacs/.msmtprc

@@ -7,7 +7,7 @@ tls            on
 # Set a list of trusted CAs for TLS. The default is to use system settings,
 # but you can select your own file.
 tls_trust_file /etc/ssl/certs/ca-certificates.crt
-logfile        ~/.config/msmtp/msmtp.log
+logfile        ~/.cache/msmtp.log
 
 # Account iCloud
 account        icloud
@@ -38,6 +38,10 @@ port           1025
 # Envelop-from address
 from           fscottodisantolo@protonmail.com
 
+# Security
+tls on
+tls_trust_file ~/.config/protonmail/bridge-v3/cert.pem
+
 # Authentication
 auth           on
 user           fscottodisantolo@protonmail.com