---
title: "Here's What You Should Look For Before Choosing The Best Email Marketing System in 2020 | OutboundSMTP"
description: "Discover the essential features to evaluate when selecting an email marketing system, from spam filter resistance to newsletter design and analytics."
image: "https://outboundsmtp.com/og/blog/heres-what-you-should-look-for-before-choosing-the-best-email-marketing-system-in-2020.png"
canonical: "https://outboundsmtp.com/blog/heres-what-you-should-look-for-before-choosing-the-best-email-marketing-system-in-2020/"
---

Quick Answer

When choosing an email marketing system, prioritize four capabilities: spam filter resistance to ensure inbox delivery, drag-and-drop newsletter design tools, marketing automation for personalized bulk emails with custom layouts, and contact management with campaign performance tracking. For Linux environments, Postfix configured as an SMTP relay on CentOS provides a self-hosted alternative.

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![Guaranteed email delivery illustration](https://media.mailhop.org/outboundsmtp/images/blog/guaranteed-email-delivery.jpg) 

Selecting the appropriate bulk mail service significantly impacts your business reputation and customer relationships. OutboundSMTP represents a key indicator of commercial achievement. However, some entrepreneurs remain skeptical about SMTP Services’ effectiveness for bulk email initiatives.

This guide addresses critical questions regarding email marketing, helping you achieve your business objectives. Let’s explore email marketing benefits before identifying the optimal email marketing system.

## Why Buy SMTP Servers?

Business leaders invest only when they see potential returns. Organizations globally have confirmed that email marketing investments typically yield positive results. Approximately seventy percent of companies allocate resources to SMTP servers. Consider these justifications:

- Maintaining customer engagement through regular, persuasive promotional messages encourages repeat business and store visits to explore products and services.
- Quality email marketing systems help acquire new customers, ensuring substantial return on investment. U.S. business research indicates enterprises have achieved a 4300% return on investment with Outbound SMTP.

## Choosing The Best Email Marketing System For Your Business

Several essential criteria determine whether an email marketing service suits your needs:

- **Immune to spam filters**: The best email marketing system ensures messages reach inboxes rather than spam folders, demonstrating resistance to filtering mechanisms.
- **Engaging newsletters**: SMTP servers should enable straightforward creation of compelling email newsletters without requiring extensive training. Drag-and-drop functionality should be available.
- **Quality bulk emails**: The system should facilitate bulk email delivery with customized layouts, providing personalized communication with minimal manual effort. Marketing automation represents a necessary feature.
- **Contact and performance checker**: Services should organize contacts into strategic groups while providing regular campaign performance updates and tracking metrics.

## Configuring Postfix SMTP Relay on CentOS 8

Automating email processes through Postfix SMTP Relay (Smart Host) eliminates manual message sending. A Smart Host can be provided by ISPs, AWS, Google Apps, or Gmail. Postfix functions as a Mail Transfer Agent ensuring email routing and delivery in Linux environments.

### Installation Steps

Update your system:

```
[root@admuser ~]# dnf update
```

Remove existing MTAs:

```
[root@admuser ~]# dnf remove sendmail
```

Set hostname:

```
[root@admuser ~]# hostnamectl set-hostname [YOUR HOST NAME]
[root@admuser ~]# exec hash
```

Add IP addresses and hostname to the /etc/hosts file:

```
[root@admuser ~]# vim /etc/hosts 192.168.1.13 [YOUR HOST NAME]
```

Install Postfix:

```
[root@admuser ~]# dnf install Postfix
```

Enable Postfix:

```
[root@admuser ~]# systemctl start postfix
[root@admuser ~]# systemctl enable postfix
```

Verify service status:

```
[root@admuser ~]# systemctl status postfix
```

### Configuration Steps

Install mailx:

```
[root@admuser ~]# dnf install mailx
```

Locate configuration file at: **etc/postfix/main.cf**

Add these configuration lines:

```
myhostname = [YOUR HOST NAME]
mydomain = [YOUR DOMAIN]
myorigin = $mydomain
inet_interfaces = all
inet_protocols = all
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
mynetworks = [ADD YOUR IP RANGES]
home_mailbox = Maildir/
#mydestination = $myhostname, localhost.$mydomain, localhost
```

## Final Words

Installing and configuring Postfix on CentOS 8 provides the most efficient and secure outbound SMTP service for your business, delivering exceptional returns. These step-by-step instructions enable newcomers to select appropriate email marketing systems. Linux users will find this Postfix SMTP Relay configuration guide particularly valuable.

## Topics

[ Email Marketing ](/tags/email-marketing/)[ SMTP Servers ](/tags/smtp-servers/)[ Postfix ](/tags/postfix/)[ CentOS ](/tags/centos/) 

![Brad Slavin](https://media.mailhop.org/outboundsmtp/images/authors/brad-slavin.jpg) 

[ Brad Slavin ](/authors/brad-slavin/) 

General Manager & Founder

General Manager & Founder of DuoCircle. Expert in email deliverability, authentication, and enterprise SMTP infrastructure.

[LinkedIn Profile →](https://www.linkedin.com/in/bradslavin/) 

## Ready to start sending?

Enterprise SMTP relay with dedicated IPs, full authentication, and expert support. Start free.

[Start Free Trial](https://insight.iljmp.com/4/smtp-free) [View Pricing](/pricing/) 

## Related Articles

[  Intermediate  How to Choose the Best SMTP Service and Email Marketing Service for Bulk Emailing  Mar 21, 2024 ](/blog/how-to-choose-the-best-smtp-service-and-email-marketing-service-for-bulk-emailing/)[  Intermediate  Leveraging Dedicated Outbound SMTP Server To Turn Your Email Marketing Campaign Into A Big Success  Apr 8, 2024 ](/blog/leveraging-dedicated-outbound-smtp-server-to-turn-your-email-marketing-campaign-into-a-big-success/)[  Intermediate  Top Features to Look for in Outbound Email Delivery Service  Oct 30, 2024 ](/blog/top-features-to-look-for-in-outbound-email-delivery-service/)[  Intermediate  An Analysis On Email Blacklists & How You Can Avoid Them For A Successful Email Marketing Campaign  Oct 15, 2024 ](/blog/an-analysis-on-email-blacklists-how-you-can-avoid-them-for-a-successful-email-marketing-campaign/)

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