diff --git a/README.md b/README.md
index 0cdfa56..b2ce228 100644
--- a/README.md
+++ b/README.md
@@ -46,14 +46,19 @@ $localLeagueIDs = "WV102|WV103|WV112";
 | `MEMBERSHIP_URL` | Yes | Your league's membership page URL. Find this by navigating to your league's membership page in the portal and copying the URL |
 | `SMTP_HOST` | No | SMTP server hostname for error email notifications (requires s-nail) |
 | `SMTP_PORT` | No | SMTP server port (default: 587) |
+| `SMTP_USE_STARTTLS` | No | Enable STARTTLS for SMTP (default: true) |
+| `SMTP_AUTH` | No | SMTP auth type (default: login) |
 | `SMTP_USER` | No | SMTP authentication username |
 | `SMTP_PASSWORD` | No | SMTP authentication password |
+| `SSL_VERIFY_IGNORE` | No | SSL verify setting for SMTP (default: ignore) |
 | `EMAIL_FROM` | No | Sender email address for error notifications |
 | `EMAIL_TO` | No | Recipient email address for error notifications |
-| `key` | For google-civic-api.pl | Google Civic Information API key |
-| `STATE` | For google-civic-api.pl | Two-letter state code (e.g., WV) |
-| `stateLeagueID` | For google-civic-api.pl | State league ID (e.g., WV000) |
-| `localLeagueIDs` | For google-civic-api.pl | Pipe-separated list of local league IDs |
+| `key` | Optional | Google Civic Information API key. See [Google API credentials](https://console.cloud.google.com/apis/credentials) - restrict key to the Google Civic Information API. Required for google-civic-api.pl. |
+| `STATE` | Required* | Two-letter state code (e.g., WV). Required for google-civic-api.pl. |
+| `stateLeagueID` | Required* | State league ID (e.g., WV000). Required for google-civic-api.pl. |
+| `localLeagueIDs` | Required* | Pipe-separated list of local league IDs. Required for google-civic-api.pl. |
+
+*Required for google-civic-api.pl
 
 
 ## JavaScript Scripts (download-roster.js and save-session.js)