Blog
September 28, 2026
SPF, DKIM, and DMARC
SPF, DKIM, and DMARC are three DNS records that verify the authenticity of an email sender and protect a domain from spoofing. Without them, emails end up in spam or get rejected by the recipient's server.
August 31, 2026
How to Choose an Email Sending Service Without Regretting It a Month Later
Why infrastructure and domain warm-up matter more than a pretty email builder, what to check in integrations and analytics before paying for a plan, and what actually matters when comparing sending services against each other.
August 31, 2026
Cold Email Campaigns: How to Get Replies Instead of Getting Marked as Spam
How cold email legally differs from spam, why you should never launch it from your company's main domain, how long mailbox warm-up actually takes, and what kind of email copy really improves reply rates in B2B.
August 31, 2026
Email Campaign Analytics: Which Metrics to Read to Make Decisions, Not Guesses
Open rate, reply rate, bounces, and spam complaints — what each metric really tells you, where it lies (hello, Apple Mail Privacy Protection), and how to read them together, not in isolation, to find the actual cause of a weak result.
August 31, 2026
SMTP Server for Email Campaigns: How to Choose and Set One Up So Your Emails Actually Get Delivered
We break down when it's time to move from standard mail to a dedicated SMTP server, why you need DKIM, SPF, and DMARC, and why a sharp ramp-up in sending volume is the most common reason a new domain burns out in its very first week.
June 13, 2026
Email Warming: What It Is, Why You Need It, and How to Do It Right
Email warming is the process of gradually increasing sending volume from a new domain or mailbox so that mail providers (Gmail, Outlook, Yahoo) build a positive sender reputation. Without warming, emails from a new domain land in spam even with perfect technical configuration.
June 13, 2026
How Many Domains You Need for Cold Email Outreach
For cold email outreach, you need a minimum of 1 domain for every 1,000 emails per day. That means: to send 5,000 emails per day, you need 5 domains with 3–4 mailboxes each. Sending above this threshold from a single domain accelerates spam placement and causes reputation degradation.
June 13, 2026
Why Emails Go to Spam: 8 Reasons and How to Fix Them
According to ReturnPath (2024), 21% of legitimate commercial emails never reach the inbox. Emails end up in spam due to technical issues with domain configuration, poor IP reputation, or content that mail provider algorithms flag as unwanted. Here are 8 specific causes with diagnostics and solutions.
May 28, 2026
How Trigger Email Campaigns Increase Sales
Trigger email campaigns are automatic letters or chains of letters sent to the user in response to their actions or behavior.
May 28, 2026
How Trigger Email Campaigns Increase Sales
Trigger email campaigns are automatic letters or chains of letters sent to the user in response to their actions or behavior.
June 13, 2026
Why Emails Go to Spam: 8 Reasons and How to Fix Them
According to ReturnPath (2024), 21% of legitimate commercial emails never reach the inbox. Emails end up in spam due to technical issues with domain configuration, poor IP reputation, or content that mail provider algorithms flag as unwanted. Here are 8 specific causes with diagnostics and solutions.