---
title: "The Benefits of SMTP Relay Service | DuoCircle"
description: "Join the thousands of organizations that use DuoCircle Find out how affordable it is for your organization today and be pleasantly surprised.Interested in"
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---

Content 

#  The Benefits of SMTP Relay Service 

 Join the thousands of organizations that use DuoCircle Find out how affordable it is for your organization today and be pleasantly surprised.Interested in 

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## The Benefits of SMTP Relay Service

[Fix Your SPF Errors Now](/content/spf-permerror)

If you’re involved in email marketing, you’ll have some very clear-cut KPIs. Within those KPIs is a set budget, which can be tough to work with if it’s not a very large one.

_A wise investment you can make to ensure you hit your goals while staying within budget is [SMTP gateway service](/content/smtp-gateways)_. If you’ve had trouble with emails being sent to spam folders, this service can turn it all around for you.

Here are a few **benefits of SMTP relay service** that make it worth spending a little money on.

![smtp solutions](https://media.mailhop.org/duocircle/images/2019/02/email-phishing-protection.png) 

### SMTP relay service defined

An SMTP ([Simple Mail Transfer Protocol](https://whatis.techtarget.com/definition/SMTP-Simple-Mail-Transfer-Protocol)) is the digital highway that your emails travel on. By that logic, an SMTP server is the mailman that drives the truck; _it reads the email details and sends them to the correct inboxes._

Let’s take it a step further. **SMTP relay service** is precisely what it sounds like: emails being relayed from one [SMTP server](/content/smtp-gateways/smtp-server) to another. Usually, an email provider doesn’t have enough power to deliver large amounts of emails like that, so you’d have to use third-party SMTP relay service.

Here are some of the benefits of seeking out this kind of service.

### You won’t sacrifice your sending reputation

Whenever you send emails, it affects your [sending reputation](https://www.sparkpost.com/resources/email-explained/email-sender-reputation/). This score depends on a variety of things, including how often your emails are manually marked as spam, the amounts of emails you send, and how many people unsubscribe from your emails.

_Once your reputation falls to poor, your emails will automatically be marked as spam_. A third-party [SMTP relay](/content/smtp-gateways/smtp-relay) service provider already has an **established reputation** so you won’t have to risk yours.

![reliable smtp server](https://media.mailhop.org/duocircle/images/2019/02/fake-email-delivery-failed.png)![outbound email service](https://media.mailhop.org/duocircle/images/2019/02/advanced-phish-protection.png)

### More efficiency

_When you send emails, you have to do so one by one_. A third-party provider will have the **server power** to not only send large amounts of emails at once, but also to send more per day. Since they’d be responsible for sending emails on your behalf, that frees up a lot of your resources.

MORE: Setup [SMTP gateway office](/content/smtp-gateways/smtp-gateway-office)

### Protect against spoofing

_When your cybersecurity is infiltrated, it can harm your sending reputation_. More and more emails will be marked as spam, and it’ll be harder to reach your KPIs.

If you subscribe to [SMTP gateway service](/content/smtp-gateways/smtp-gateway-service), you can sometimes get **protection from spoofing and phishing**. By being proactive and safeguarding your trade secrets, _you also noticeably improve your deliverability rate_. In turn, it’ll be easier for you to reach your email marketing goals.

MORE: [Office 365 SMTP settings](/content/smtp-gateways/office-365-smtp-settings)

![smtp smart host service](https://media.mailhop.org/duocircle/images/2019/02/account-phishing-attack.png) 

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