fix: smtp

examples/workflows/send_smtp_email.yml

@@ -0,0 +1,17 @@
+id: send-smtp-email
+description: send hello via SMTP
+triggers:
+  - type: manual
+
+actions:
+  - name: send-email
+    provider:
+      type: smtp
+      config: "{{ providers.smtp }}"
+      with:
+        from_email: "[email protected]"
+        from_name: "Workflow user"
+        to_email:
+          - "[email protected]"
+        subject: "Hello from Keep workflow!"
+        body: "Hello! This is a test email from Keep workflow."

keep/providers/smtp_provider/smtp_provider.py

@@ -145,17 +145,16 @@ def send_email(
         if from_name == "":
             msg["From"] = from_email
         msg["From"] = f"{from_name} <{from_email}>"
-        msg["To"] = to_email
+        if to_email is str:
+            msg["To"] = to_email
+        else:
+            msg["To"] = ", ".join(to_email)
         msg["Subject"] = subject
         msg.attach(MIMEText(body, "plain"))
 
-        try:
-            smtp = self.generate_smtp_client()
-            smtp.sendmail(from_email, to_email, msg.as_string())
-            smtp.quit()
-
-        except Exception as e:
-            raise Exception(f"Failed to send email: {str(e)}")
+        smtp = self.generate_smtp_client()
+        smtp.sendmail(from_email, to_email, msg.as_string())
+        smtp.quit()
 
     def _notify(
         self, from_email: str, from_name: str, to_email: str, subject: str, body: str

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "keep"
-version = "0.38.4"
+version = "0.38.5"
 description = "Alerting. for developers, by developers."
 authors = ["Keep Alerting LTD"]
 packages = [{include = "keep"}]