Creating or using "spam bots" to send unsolicited emails often violates Google’s Program Policies

2. How Gmail Detects and Blocks Spam Bots

Account Throttling

: If a bot hijacks your account to send spam, Google may temporarily suspend your sending privileges or flag your address as "high risk" [5]. How to Protect Your Gmail Account

While Google does most of the heavy lifting, users can take proactive steps to minimize their exposure to spam bots. Use Alias Addresses

Using the API offers distinct advantages and controls: