Improving Email Deliverability Using MX, SPF, and PTR Records

Written by Julia G

When an email goes from the SMTP server to the target recipient, it passes through numerous checkpoints, from local firewalls to ISP spam filters. One of the checks that the receiving server does is the verification of the sender’s domain authenticity.

To help mail servers effectively determine that the email you are sending should not be classified as spam, you need to set up MX, SPF and PTR records for your domain.
Below is the guide on how to do it.

How to Receive GlockApps Alerts via Email, Slack, Telegram, and PagerDuty

Written by Julia G

GlockApps can notify you about the email spam placements, blacklisted IP addresses, and email authentication issues. Alerts can be sent via email, Slack, Telegram or PagerDuty. Related Posts With the seed-based email tests conducted by GlockApps, you receive comprehensive reports about the health of your sending infrastructure and Read more A seed based email test involves sending a message to …

Free DMARC Report Analyzer: How to Read DMARC XML Reports

Written by Julia G

Learn how to use a DMARC Report Analyzer to review your aggregate reports and protect your domain. Get 10,000 free DMARC reports every month.

What is SPF (Sender Policy Framework) and How to Set it Up

Written by Julia G

Setting up your SPF (Sender Policy Framework) will not only improve your email deliverability but will also help you maintain a positive domain reputation and reduce the likelihood of your email message going to the spam folder.

SPF is one layer of email authentication published within your Domain Name System (DNS) records as a DNS TXT record.

After implementing SPF records allow the receiving mail server to verify if an email sender is authorized to send mail on behalf of the domain owner. Only authorized IP addresses and domain names will allow SPF authentication to pass when they send email.

The Ultimate Guide to DMARC Reports

Written by Julia G

Learn everything you need to know about DMARC Reporting, including how to read DMARC reports and how to improve your email deliverability.

How to Find out What’s Causing the Spam Folder Placement

Written by Julia G

This guide assumes that the technical part of your email sending program (SPF, DKIM, rDNS, DMARC, and HELO to IP records) is set up correctly. If it’s not, fix it before you start testing again. You can see the results of testing your SPF, DKIM rDNS and HELO to IP records in the report. Related Posts With the seed-based email …

How to Process Bounce Emails via IMAP

Written by Julia G

Important! The GlockApps Bounce Monitor tool is discontinued. In addition to the integration with Amazon SES, SendGrid, Mailgun, and SparkPost, the GlockApps Bounce Monitor can connect to your mail server via IMAP, process bounce emails and provide you with detailed bounce email analytics. You can see why your emails are bouncing and detect the issues related to invalid email addresses, …

Test Inbox Delivery and Spam Score of a SendGrid Email Campaign

Written by Julia G

You can use the GlockApps email spam checker with any email service provider or email software to test the Inbox delivery and spam score of your email campaign before sending it to the list of real subscribers. In this tutorial, we’re going to guide you through the steps how to use GlockApps to test the email campaigns that you send …

How to Track SparkPost Bounces with GlockApps

Written by Julia G

Important! The GlockApps Bounce Monitor tool is discontinued. GlockApps is integrated with SparkPost to provide you with an automated way of bounce email processing. With GlockApps, you can see exactly why your emails are bouncing, such as issues related to invalid email addresses, temporarily deliverability issues, or message blocking. Processed data is compiled into the comprehensive and easy-to-read report available …

How to Track Mailgun Bounces with GlockApps

Written by Julia G

Important! The GlockApps Bounce Monitor tool is discontinued. GlockApps is integrated with Mailgun to provide you with an automated way of bounce email processing. With GlockApps, you can see exactly why your emails are bouncing, such as issues related to invalid email addresses, temporarily deliverability issues, or message blocking. Processed data is compiled into the comprehensive and easy-to-read report available …