No, it’s completely different. Gmail actively tries to prevent spam. If they catch you sending it, you will be banned, and they let individual users block whoever they want. A huge part of their product is automated spam filtering.
On the other hand, spam delivery is the business model of USPS. They actively and intentionally market and sell their services to spammers, and not surprisingly, give normal users no way to opt out.
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No, it’s completely different. Gmail actively tries to prevent spam. If they catch you sending it, you will be banned, and they let individual users block whoever they want. A huge part of their product is automated spam filtering.
On the other hand, spam delivery is the business model of USPS. They actively and intentionally market and sell their services to spammers, and not surprisingly, give normal users no way to opt out.