HTML and plain text for new post mail notifications

src/email_client.rs

@@ -33,12 +33,8 @@ impl EmailClient {
     ) -> Result<(), reqwest::Error> {
         let url = self.base_url.join("email").unwrap();
         let request_body = SendEmailRequest {
-            from: EmailField {
-                email: self.sender.as_ref(),
-            },
-            to: vec![EmailField {
-                email: recipient.as_ref(),
-            }],
+            from: self.sender.as_ref(),
+            to: recipient.as_ref(),
             subject,
             text: text_content,
             html: html_content,
@@ -61,18 +57,13 @@ impl EmailClient {
 
 #[derive(serde::Serialize)]
 struct SendEmailRequest<'a> {
-    from: EmailField<'a>,
-    to: Vec<EmailField<'a>>,
+    from: &'a str,
+    to: &'a str,
     subject: &'a str,
     text: &'a str,
     html: &'a str,
 }
 
-#[derive(serde::Serialize)]
-struct EmailField<'a> {
-    email: &'a str,
-}
-
 #[cfg(test)]
 mod tests {
     use crate::{