import httpx
import re
import time
import random


# --- Custom Exceptions ---
class EmailFetcherError(Exception):
    """Base exception for EmailFetcher errors."""

    pass


class TokenError(EmailFetcherError):
    """Raised when there's an error obtaining the access token."""

    pass


class GraphApiError(EmailFetcherError):
    """Raised when there's an error during a Microsoft Graph API ca...