fix: encode From header with RFC 2047 to fix email delivery with Cyrillic sender name

app/main.py

@@ -100,6 +100,8 @@ import ssl as _ssl
 import json as _json2
 from email.mime.multipart import MIMEMultipart as _MIMEMultipart
 from email.mime.text import MIMEText as _MIMEText
+from email.header import Header as _Header
+from email.utils import formataddr as _formataddr
 
 def _generate_password(length: int = 10) -> str:
     alphabet = _string.ascii_letters + _string.digits
@@ -112,7 +114,7 @@ def _generate_password(length: int = 10) -> str:
 def _send_email(to: str, subject: str, html_body: str) -> None:
     msg = _MIMEMultipart("alternative")
     msg["Subject"] = subject
-    msg["From"] = f"{SMTP_FROM_NAME} <{SMTP_FROM_EMAIL}>"
+    msg["From"] = _formataddr((str(_Header(SMTP_FROM_NAME, "utf-8")), SMTP_FROM_EMAIL))
     msg["To"] = to
     msg.attach(_MIMEText(html_body, "html", "utf-8"))
     ctx = _ssl.create_default_context()