Email Deliverability

How I Beat Google & Decreased My Spam Rate from 35.2% to 2.8%

Written by Shaurya Jain

This is the guest post written by Shaurya Jain. A Mistake that Started It All A couple of months ago, I launched a cold email campaign to partner with non-competing but closely related businesses. These were primarily PR and web design agencies. From my 2 years of experience with cold emailing, I had learned that people like humorous cold emails.

Email Marketer’s Guide: What You Need to Know about Yahoo

Written by Julia G

Yahoo!Mail is a free webmail provider from the Yahoo company that saw the world in 1997. Now it’s one of the three largest mailbox providers with 225 million users. In June 2017, Yahoo was acquired by Verizon Communications, which also bought AOL in 2015. By now, Verizon has not revealed any plans to combine Yahoo!Mail with other email services. In …

Email Marketer’s Guide: What You Need to Know about Outlook

Written by Julia G

Hotmail was one of the first web based email services launched in 1996. It was rebranded as in 2013 to align with Microsoft’s desktop email application Outlook. At present, is one of the leading global mailbox providers with 400+ million active users. Deliverability to and domains concerns a lot of email marketers as Microsoft has the …

Email Marketer’s Guide: What You Need to Know about Gmail

Written by Julia G

Email filters used by mailbox providers do a good job – they keep spam out of our Inboxes. But from the other side, “thanks” to spam filters, every fifth legitimate email never reaches the intended recipient. What’s more is that every mailbox provider uses its own filtering algorithm to distinguish good emails and spam. It makes it even harder for …

How to Avoid Spam Filters When Sending Emails

Written by Julia G

How to avoid spam filters? Many, if not only every single email marketer has ever asked this question. Spam filters seem to be the main obstacle on the way to the recipient’s Inbox. Probably you’ll be disappointed if we say that it is not possible to avoid spam filters, but you have to accept that fact. Spam filters are a …

How to Remove Your IP Address from the Yahoo!’s Blacklist

Written by Julia G

Can't send emails to Yahoo! subscribers? It's highly possible that your sending IP address was blacklisted by this provider. Users of Yahoo!, Google, Hotmail, and other major mailbox providers are often victims of spammers. Mailbox providers are forced to introduce filters and blacklists to protect their users from unsolicited emails.

How to Remove Your IP Address from the Hotmail/Outlook’s Blacklist

Written by Julia G

Bad email practices typically lead to serious deliverability problems like spam placements, blocked and dropped messages which have a direct negative impact on your sender reputation and email performance. To protect their users from unsolicited emails, mailbox providers often put bad senders to the blacklist and do not deliver their messages to the target recipients. Gmail, Outlook/Hotmail, Yahoo, GoDaddy and …

How to Remove Your IP Address from Gmail’s Blacklist

Written by Julia G

One of the common reasons the emails do not reach the target Gmail recipients is the blocking of the email sender by Google. If you are not able to deliver emails to your Gmail subscribers either, then this article will surely help you.

Dedicated vs Shared IPs: Which Should You Choose for Better Deliverability

Written by Julia G

When you hit “Send” in your email system or email service provider, your email is transmitted to the outgoing mail server and then to the mail server at the receiving ISP, which then decides what to do with your email based on the sending IP’s reputation, authentication, your sending practices, and recipient engagement. These factors directly influence whether or not …

Spam Filter Testing: Determining Spam Placement Causes (Case Study)

Written by Julia G

Since the release of GlockApps we have tested hundreds of emails and looked through hundreds of reports. From our experience, we learned that one of the common causes of deliverability problems, in particular, spam placements, was the message content (providing that you have a confirmed opt-in email list and send relevant content).