Email Deliverability
How to Fix Cold Email Deliverability Issues and Reach the Inbox Again
Written by Tanya Tarasenko
Cold email campaigns can lose effectiveness surprisingly quickly. Messages that previously reached prospects start landing in spam, bounce rates increase, and replies become less frequent. The problem isn’t always your email copy. It could be your sending domain, email authentication, contact list, or sending habits.
Best Digital Marketing Tools for Stronger Email Campaigns
Written by Tanya Tarasenko
An email campaign can fail before the first click: the message lands in spam, the mobile layout breaks, or a follow-up reaches the wrong audience. The best digital marketing tools help you catch those problems and measure what happens after the send.
How to Improve Email Deliverability for High-Volume Campaigns
Written by Tanya Tarasenko
A campaign can show a high delivery rate while thousands of messages sit in spam. The receiving servers accepted the emails, but subscribers may never see them.
Microsoft SNDS Guide: IP Reputation and Outlook Deliverability
Written by Tanya Tarasenko
Your email platform says “delivered,” but Outlook subscribers keep finding your campaigns in Junk. Microsoft SNDS can help you investigate by showing traffic and filtering data for your sending IPs. The challenge is reading that data correctly: a green result is useful, but it does not prove that a campaign reached the inbox.
What Is a DNS TXT Record and Why It Matters for Email Deliverability
Written by Tanya Tarasenko
A DNS TXT record holds text that anyone can look up for your domain. For email senders, that text carries real weight: SPF, DKIM, and DMARC are all published as TXT records, and mailbox providers read them to decide whether a message from your domain is genuine. One wrong character in these records can send legitimate mail to spam.
Images and Email Deliverability: When Visuals Send You to Spam
Written by Tanya Tarasenko
Images make an email feel like a brand rather than a plain text message. They also make plenty of senders nervous. Ask around, and you’ll hear that images send mail to spam, that you need a strict 60/40 text-to-image ratio, or that one large banner can sink a whole campaign.
DKIM Key Rotation: How to Do It Without Hurting Deliverability
Written by Tanya Tarasenko
Most teams set up DKIM once, see dkim=pass in a test message, and never think about it again. That works fine until a private key leaks, a former vendor still holds a copy, or a security audit asks when the key was last changed and nobody can answer.
How AI Spam Filters Decide Which Emails Reach the Inbox
Written by Tanya Tarasenko
Spam filters have changed a lot. They no longer look only for suspicious words, bad links, or known spam IPs. Gmail, Outlook, Yahoo, and other mailbox providers use machine learning together with sender reputation, authentication, sending behavior, message content, and recipient activity.
Transactional vs. Marketing Email: Should You Use One Dedicated IP or Two?
Written by Tanya Tarasenko
Transactional emails and marketing campaigns serve very different purposes, but they often run through the same email infrastructure. That raises an important deliverability question: can transactional and marketing emails share the same dedicated IP address?
Best Email MCP Servers for AI Agents: 8 Official Options Compared
Written by Tanya Tarasenko
An AI agent can draft an email without connecting to your email platform. Sending it, checking customer context, or testing where it lands requires access to the right tools.