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8d7950f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | import imaplib
import email
from email.header import decode_header
# Assume these are loaded from env or we can hardcode for testing from local
from app.core.config import settings
def check_bounces():
username = settings.SMTP_USERNAME
password = settings.SMTP_PASSWORD
imap_host = "imap.hostinger.com"
try:
mail = imaplib.IMAP4_SSL(imap_host)
mail.login(username, password)
mail.select("inbox")
# Search for bounced emails
status, messages = mail.search(None, '(OR (FROM "mailer-daemon") (SUBJECT "Delivery Status Notification"))')
if status == "OK":
mail_ids = messages[0].split()
print(f"Found {len(mail_ids)} potential bounce messages.")
# Fetch the latest 3 bounces
for i in mail_ids[-3:]:
res, msg_data = mail.fetch(i, "(RFC822)")
for response_part in msg_data:
if isinstance(response_part, tuple):
msg = email.message_from_bytes(response_part[1])
subject, encoding = decode_header(msg["Subject"])[0]
if isinstance(subject, bytes):
subject = subject.decode(encoding if encoding else "utf-8")
origin = msg.get("From")
print(f"--- Bounce from: {origin} | Subject: {subject} ---")
if msg.is_multipart():
for part in msg.walk():
if part.get_content_type() == "text/plain":
body = part.get_payload(decode=True).decode()
# Print first 500 chars of bounce reason
print(body[:500])
break
else:
body = msg.get_payload(decode=True).decode()
print(body[:500])
print("-" * 50)
else:
print("No bounce messages found.")
mail.logout()
except Exception as e:
print(f"IMAP Error: {e}")
if __name__ == "__main__":
check_bounces()
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