Try switching to smarthost

src/freedombone-base-email

@@ -1082,15 +1082,11 @@ function email_smtp_proxy_through_isp {
           echo "${isp_smtp_domain}:${isp_smtp_username}:${isp_smtp_password}";
           echo "${isp_smtp_domain_alias_line}"; } > /etc/exim4/passwd.client
         if ! grep -q 'dc_eximconfig_configtype=' /etc/exim4/update-exim4.conf.conf; then
-            echo "dc_eximconfig_configtype='satellite'" >> /etc/exim4/update-exim4.conf.conf
+            echo "dc_eximconfig_configtype='smarthost'" >> /etc/exim4/update-exim4.conf.conf
         else
-            sed -i "s|dc_eximconfig_configtype=.*|dc_eximconfig_configtype='satellite'|g" /etc/exim4/update-exim4.conf.conf
-        fi
-        if [ "${isp_smtp_domain_alias}" ]; then
-            sed -i "s|dc_smarthost=.*|dc_smarthost='${isp_smtp_domain_alias}::${isp_smtp_port}'|g" /etc/exim4/update-exim4.conf.conf
-        else
-            sed -i "s|dc_smarthost=.*|dc_smarthost='${isp_smtp_domain}::${isp_smtp_port}'|g" /etc/exim4/update-exim4.conf.conf
+            sed -i "s|dc_eximconfig_configtype=.*|dc_eximconfig_configtype='smarthost'|g" /etc/exim4/update-exim4.conf.conf
         fi
+        sed -i "s|dc_smarthost=.*|dc_smarthost='${isp_smtp_domain}::${isp_smtp_port}'|g" /etc/exim4/update-exim4.conf.conf
         if [[ "$(hostname)" != *'.local' ]]; then
             sed -i "s|dc_readhost=.*|dc_readhost='$(hostname)'|g" /etc/exim4/update-exim4.conf.conf
         fi