# SMTP Cashback — Compare Rates Across 1 Cashback Portals

> GotCashback.com tracks SMTP cashback rates across 1 cashback portals, updated 2026-09-21T06:28:50Z. Current best rate: **$25 back** via **CapitalOne Shopping**. This page is the agent-readable version of https://www.gotcashback.com/Stores/SMTP/.

- Canonical HTML page: https://www.gotcashback.com/Stores/SMTP/
- Store website: https://smtp.com
- Data freshness: rates last checked 2026-09-21T06:28:50Z; rates change frequently — treat values older than 24 hours as stale and re-fetch.
- All rates apply to online purchases initiated through the portal's tracking link unless noted otherwise.

Compare SMTP cashback across 1 portal: CapitalOne Shopping $25 back. Updated 20 Sep 2026.

## Best Current Rate

| Field | Value |
|---|---|
| Best rate | $25 |
| Portal | [CapitalOne Shopping](https://www.gotcashback.com/Portals/capitalone-shopping/) |
| Rate type | flat |
| Cashback link | https://www.gotcashback.com/Click/capitalone-shopping/SMTP/ |

## All Portal Rates

Sorted by cashback rate, highest first. Use the "Cashback link" URL to activate rate comparison and tracking.

| Portal | Cashback rate | End date | Conditions | Cashback link |
|---|---|---|---|---|
| [CapitalOne Shopping](https://www.gotcashback.com/Portals/capitalone-shopping/) | $25 | — | — | https://www.gotcashback.com/Click/capitalone-shopping/SMTP/ |

## Rate History

Chart-ready JSON with historical best rates per portal:

- Last 12 months: https://www.gotcashback.com/Stores/SMTP/History/Json/year/
- Last 30 days: https://www.gotcashback.com/Stores/SMTP/History/Json/month/

## Terms & Exclusions

Common conditions for cashback (verify per portal before purchase):

- Cashback typically applies to orders initiated through the portal's tracking link; in-store offers, where available, are listed separately above.
- Gift card purchases usually do not earn cashback.
- Cashback is voided if another browser extension or coupon code claims the affiliate attribution.
- Tracking requires clicking through the portal link with ad/tracker blocking disabled.
- Portal-specific conditions are listed in the "Conditions" column above.

## How It Works

1. Compare rates in the tables above and pick a portal.
2. Follow the cashback link, sign in (or register) at the portal, and click through to SMTP from the portal.
3. Complete your purchase in the same session without visiting other coupon sites.
4. Cashback tracks in your portal account and becomes withdrawable after the portal's payout waiting period.

## Ask AI or Telegram

- AI assistants can query live cashback rates for this store via the [GotCashback MCP Server](https://mcp.gotcashback.com) — setup guide: https://www.gotcashback.com/mcp-server/
- [Ask the Telegram bot](https://t.me/GotCashbackBot?start=s_108165_cb): opens @GotCashbackBot with this store's cashback rates.

GotCashback.com compares cashback rates across 113 cashback portals in 42 countries worldwide, including 40 portals and 31298 stores in the United States. Founded in 2020; operated by MNP Enterprises, LLC.

## FAQ

**How can I earn SMTP cashback through cashback portals?**
To earn SMTP cashback through cashback portals, you need to sign up for an account with a cashback portal like SimplyBestCoupons.com. Then, search for stores offering SMTP cashback, click on the store's link through the portal, make a purchase as usual, and your cashback will be tracked and credited to your account.

**Which cashback portal offers the best deals for earning SMTP cashback?**
SimplyBestCoupons.com is a popular cashback portal that offers competitive deals and cashback rates for earning SMTP cashback. It is recommended to compare different cashback portals to find the best rates and deals that suit your needs.

**Can I earn SMTP cashback on all my online purchases?**
While many online stores offer SMTP cashback through cashback portals, not all stores participate in cashback schemes. It is advisable to check the list of stores offering SMTP cashback on the cashback portal's website before making a purchase.

**How long does it take to receive my SMTP cashback after making a purchase?**
The time it takes to receive your SMTP cashback after making a purchase varies depending on the store's policy and the cashback portal. Some cashback portals credit cashback immediately, while others may take a few days to confirm the purchase and credit the cashback to your account.

**Is there a limit to how much SMTP cashback I can earn?**
There may be limits or restrictions on the amount of SMTP cashback you can earn on certain purchases or within a specific timeframe. It is important to check the terms and conditions of the cashback portal and the store offering the cashback to understand any limits that may apply.

**What should I do if my SMTP cashback is not tracked or credited to my account?**
If your SMTP cashback is not tracked or credited to your account, you can usually submit a claim or raise a ticket with the cashback portal's customer support team. Provide them with the necessary details such as order confirmation, purchase amount, and any other required information for them to investigate and credit your cashback accordingly.

**Are there any fees or charges associated with earning SMTP cashback?**
Most cashback portals do not charge any fees for earning SMTP cashback. However, it is advisable to review the terms and conditions of the cashback portal to understand if there are any specific terms regarding fees or charges that may apply.

**Can I combine SMTP cashback with other discounts, offers, or coupon codes?**
In most cases, you can combine SMTP cashback with other discounts, offers, or coupon codes offered by the store. However, it is recommended to review the terms and conditions of the store and the cashback portal to ensure that combining offers is allowed and to maximize your savings.

**How do cashback portals make money by offering SMTP cashback?**
Cashback portals earn a commission from the stores when customers make a purchase through their portal. A portion of this commission is then passed on to the customers as cashback rewards, incentivizing them to shop through the portal. This way, cashback portals benefit from increased sales while customers enjoy savings through cashback rewards.

**Is my personal information secure when using cashback portals to earn SMTP cashback?**
Cashback portals take data security and privacy seriously and use encryption and secure protocols to protect customers' personal information. It is important to read the privacy policy of the cashback portal to understand how your information is handled and ensure that you are comfortable with the security measures in place.

**Are there any restrictions on who can earn SMTP cashback through cashback portals?**
Most cashback portals do not have strict restrictions on who can earn SMTP cashback, and it is generally available to any eligible customer who makes a purchase through the portal. However, it is advisable to review the terms and conditions of the cashback portal to ensure that you meet any specific requirements or restrictions that may apply.

**Do I need to link my payment methods to the cashback portal to earn SMTP cashback?**
You do not typically need to link your payment methods to the cashback portal to earn SMTP cashback. Simply click on the store's link through the portal before making a purchase, and your cashback will be tracked based on the referral from the cashback portal. You can use your preferred payment methods as you normally would during the transaction.

**Can I earn SMTP cashback on purchases made using a mobile device or app?**
Yes, you can earn SMTP cashback on purchases made using a mobile device or app as long as you access the store's website through the cashback portal's link. Ensure that cookies are enabled on your mobile browser to track your cashback properly, and complete the purchase within the same session to ensure the cashback is accurately credited to your account.

**Is there a minimum purchase amount required to earn SMTP cashback?**
Some stores and cashback portals may have a minimum purchase amount requirement to be eligible for SMTP cashback. It is advisable to review the terms and conditions of the store and the cashback portal to understand any such requirements and ensure that your purchase meets the minimum amount to qualify for cashback rewards.

**What happens if I return or cancel a purchase for which I already earned SMTP cashback?**
If you return or cancel a purchase for which you have already earned SMTP cashback, the cashback amount may be deducted from your account or voided, depending on the store's policy and the reason for the return. It is recommended to review the terms and conditions of the store and the cashback portal regarding returns and cancellations to understand the impact on your cashback rewards.

**Can I earn SMTP cashback on gift card purchases through cashback portals?**
Cashback rewards on gift card purchases through cashback portals may vary by store and the terms of the cashback portal. Some stores may exclude gift card purchases from earning cashback, while others may offer cashback on gift card purchases. It is advisable to review the specific store's policy and the cashback portal's terms to understand if gift card purchases are eligible for cashback rewards.

**Is there a referral program for earning additional SMTP cashback through cashback portals?**
Some cashback portals may offer a referral program that allows you to earn additional SMTP cashback by referring friends or family to the portal. When your referrals sign up and make a qualifying purchase through the portal, you may earn a bonus or commission on their cashback earnings. It is recommended to check the referral program details on the cashback portal's website for more information.

**Do cashback portals have a customer loyalty program for frequent users to earn extra SMTP cashback?**
Some cashback portals may have a customer loyalty program that rewards frequent users with opportunities to earn extra SMTP cashback. By reaching certain milestones or levels of activity on the portal, users may unlock bonuses, higher cashback rates, or exclusive offers to maximize their savings. Check the loyalty program details on the cashback portal's website for more information on earning extra cashback rewards.

**How can I maximize my earnings for SMTP cashback through cashback portals?**
To maximize your earnings for SMTP cashback through cashback portals, consider using the portal for your online shopping regularly, taking advantage of special promotions or bonus offers, and referring friends or family to join the portal. Additionally, keep an eye out for increased cashback rates on select stores or categories to optimize your cashback rewards and savings.

**Where can I find more information about earning SMTP cashback through cashback portals?**
For more information about earning SMTP cashback through cashback portals, visit the FAQ section or help center on the cashback portal's website. You can also reach out to the customer support team for assistance with any specific queries or concerns related to earning and redeeming SMTP cashback rewards through the portal.

## Related

- All stores index (HTML): https://www.gotcashback.com/Stores/
- Site index for agents: https://www.gotcashback.com/llms.txt

---
*Machine-readable metadata*

```json
{
  "type": "CashbackStoreOffer",
  "store": "SMTP",
  "storeUrl": "https://smtp.com",
  "canonical": "https://www.gotcashback.com/Stores/SMTP/",
  "lastUpdated": "2026-09-21T06:28:50Z",
  "bestRate": {
    "advertised": "$25",
    "flatAmount": 25.0000,
    "tiered": false,
    "portal": "CapitalOne Shopping",
    "portalUrl": "https://www.gotcashback.com/Portals/capitalone-shopping/",
    "clickUrl": "https://www.gotcashback.com/Click/capitalone-shopping/SMTP/"
  },
  "portalCount": 1,
  "portals": [
    {
      "name": "CapitalOne Shopping",
      "rate": "$25",
      "flatAmount": 25.0000,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/capitalone-shopping/SMTP/"
    }
  ]
}
```