How To Assure Email Is Delivered To Inbox

How To Assure Email Is Delivered To Inbox

In one of my earlier posts, I have already focused on the issue of email filtering and blocking and discussed the reasons why ISPs can block or filter the email. There are some technical issues that email marketers can overlook but play a vital role in the email delivery process. By resolving those problems, you can improve the distribution rate of your email and ensure that your newsletter is sent directly to the recipient’s Inbox.

You likely know that SMTP Server is the greatest way to send emails. You can use and be satisfied with your Internet Service Provider’s (ISP) SMTP server. But now, many ISPs restrict the number of emails you can send per hour or day. This will certainly damage your business if you have a wide contact database and urgently need to deliver the message to the entire list.


With that stated, examine the option if you are unable to use your ISP’s SMTP server because of email sending barriers:

Have your own SMTP Server. The benefit is you can send as many emails as you want, without any constraints. The downside is that you will need to set up authentication records of the sender yourself on your own server. Email Authentication is the attempt to integrate identifying information into the messages so that the receiver can automatically recognize incoming emails. Email authentication helps eliminate the sending of forged emails from your mail server and therefore helps to minimize the amount of spam in the receiver’s Inbox.

So, once you get your mail server, modify your authentication records to assure your emails are delivered to the recipient’s Inbox. There are several ways through which sender’s authentication can be done such as SPF, Reverse DNS Lookup, DomainKeys, or Sender ID:

Email deliveriability

SPF Documents (Sender Policy Framework). SPF is an open platform created to prevent Address Forgery. Because most spam emails are delivered from forged email addresses, SPF records enable the receiver’s host to check that the email is delivered from the server from which it states it is sent. This is as the email sender tells the recipient “I only send emails from this machine.” And if any other system attempts to send an email from the same domain, the mail server of the receiver knows that the From email address is being forged. Several ISPs (including many major providers including Hotmail, Yahoo, AOL, etc.) and mail hosts use the SPF standard. You may request to set up SPF records for your hosting company. Or, go to the cPanel and select “Email Authentication”. Then activate the authentication parameter that you would like to add to your emails.

-Reverse DNS. The email sender can also be authenticated to the receiver host in this way. Reverse DNS lookup implies determining what host and domain name belongs to a given IP address. Reverse DNS. It is one of the ways to have the receiver host authenticate the sender of the email. Reverse DNS lookup ensures identifying which host and domain name a given IP address belongs to. If a “no associated domain,” is returned by a Reverse DNS Lookup then the email will probably bounce to the sender, or be deleted or filtered. To prevent issues with Reverse DNS Lookup follow these basic rules: 1) Do not send emails straight from your home computer (use an SMTP server wherever possible) and 2) Do not use a shared hosting server for sending emails for a small monthly fee; Arrange a solid host, a VPS (virtual private server) or a dedicated server, and request your hosting company to allow Reverse DNS.

-DKIM. The next step you need to do after setting up your Reverse DNS records. As per Wikipedia’s “DomainKeys Defined, Mail (DKIM) is an email validation program originated to identify spoofing of emails by presenting a mechanism for receiving mail exchangers to verify that incoming mail from a domain is authorized by the administrators of that domain and that the email (including attachments) is untouched during transport”. DKIM’s authentication program examines whether the email was sent through the domain from which it intends to be sent. Through downloading DKIM, you can help the server to send the emails straight to the inbox of the receiver.

If you have SPF data, Reverse DNS, and DKIM setup, it is enough to deliver your email to the recipient. You may want to set up your Sender ID, too, though. The Sender ID is an email authentication tech which confirms the origin of email messages by evaluating the IP address of the sender against the supposed owner of the domain from which the email is sent. The Sender ID authentication algorithm solves the issue of forging headers for email messages by examining the domain name the emails are sent from.

email sender credibility

There are several things you can do to develop your email sender credibility and boost the efficiency of your email campaign:

Check the IP address of your mail server against the DNS-based blacklists each email campaign. To see your inbox location, spam ratings, security problems, daily blacklist tracking, you can use the G-Lock Apps delivery and spam detection tools to check whether the IP address of your server is blacklisted, and get overview email notifications. If so, there’s nothing wrong with emailing those DNSBL site administrators and asking them how they can exclude you from the blacklist. 

Register for Email deliverability services. These act as whitelists to ensure that the recipient receives the email. Once you sign up, the IP address of your server will be included in their database. The ISPs inspect those databases, and your email will be delivered when your IP is located there. Only consider that email delivery services are not available for free. It could be a monthly fee or based on the number of emails sent.

-With the use of ISPs Whitelist your server. Large ISPs have a process that you should adopt to make it convenient to send your email messages directly to the inbox of the recipient and not to the bulk email folder. The hard thing is that if you are using a shared mail server the ISP can not whitelist you. Also, the host who owns the mail server may have trouble getting the server whitelisted while shared accounts are in use. The experience indicates that email marketers should adopt a Dedicated Mail server and follow all the steps we have outlined above to deliver the emails as efficiently as possible. And the last aspect to do is to adopt the ISP whitelisting protocol. There is uncertainty about the number of emails sent at a time. ISPs manage to monitor incoming emails and only allow a definite number of messages per hour. Gone are the days when thousands of messages could be constantly blasting out. All the emails now should be metered to leak over time.

What needs to be done in order to register for email feedback loops:

-Access to your domain accounts: postmaster@/ abuse@
-IP addresses for receiving feedback loop emails.

Email marketing

Do not switch the IP address of your mail server, without any apparent reason. Some ISPs are often more concerned about new IP addresses and limit the number of emails that a new IP address can send out.

Do not unnecessarily change your email address “From”. The recipients have used your From field already and have possibly added to their whitelists yours From email address. Sending from a new email address could make them think it’s spam and click the “Report Spam” button, or simply delete your email. If you are required to change your From Email address, consider giving your subscribers a brief update before the change occurs. Thus, in their address books or whitelists, they can modify your records and your potential emails would be more likely to be delivered in the inbox

-Ask subscribers to mark your email address whitelisted. It’s better to include instructions in your welcome message about how to whitelist you so that the recipient gets regular in their inbox your email newsletters in HTML form. If you’re hoping for a simple way to create a mailing list of your own, this WordPress WPNewsman plugin is just what you need. Activating this plugin, you can position the sign-up form on your WordPress blog at the sidebar and allow people to subscribe to your newsletter using the verified opt-in technique. The plugin will automatically give new subscribers the welcome email proving them with guidance on how to whitelist your email address. The subscribers will be saved into the WordPress internal folder. You can make and send email newsletters directly from WordPress to your list.

In conclusion, bear in mind that the topic of the credibility of the sender is timely nowadays as never before. Using some tricks it is easy to crack anti-spam filters but it is not easy to regain your good reputation. The reputation of your email sender reflects the effectiveness of your mailings so put your efforts into building a good self-image.

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