Few things feel more frustrating than staring at a blank email on your iPhone. The […]

Sending the same email to many people without exposing everyone’s address — or looking like […]

Yes — but only within a narrow window. Most email platforms hold your message for […]

Dynamic content in Marketo lets you serve different versions of an email or landing page […]

Lead scoring transforms an overflowing database into a prioritized list of prospects actually worth calling.  […]

Automated lead scoring uses machine learning to rank prospects by their likelihood to convert — […]

UTM tracking in Marketo captures the source, medium, and campaign information from URL parameters when […]

Marketo Engage is a powerful marketing automation platform — but power means nothing if your […]

Pardot handles B2B marketing with long sales cycles and multiple decision-makers.  Meanwhile, Marketing Cloud handles […]

The BCC field sends hidden copies of your email. Recipients in the To and CC […]

Archived emails in Gmail aren’t deleted — they’re just hidden.  When you archive a message, […]

Email compliance covers the laws, regulations, and standards governing every message you send — marketing […]

Microsoft switched Outlook’s default font from Calibri to Aptos — a change that hasn’t pleased […]

A shared mailbox lets multiple people monitor and respond from a single address — like […]

A seed list is a collection of test email addresses — spread across Gmail, Outlook, […]

Inbox placement is the percentage of delivered emails that actually reach the primary inbox — […]

Spam complaints happen when recipients click “mark as spam” — and even a tiny percentage […]

IP reputation is a trustworthiness score that ISPs assign to your sending IP address. High […]

Emails weren’t designed to be secure. Without encryption, anyone intercepting network traffic can read your […]

An email signature works like a digital business card — your name, title, contact details, […]

A distribution list lets you email an entire group by typing one name instead of […]

Domain reputation is the opinion mailbox providers have of your sending domain — a score […]

MTA-STS (Mail Transfer Agent Strict Transport Security) tells sending servers that your domain only accepts […]

A dedicated IP gives you complete control over your sender reputation — no other company’s […]

When an email fails to reach someone’s inbox, it bounces. The failure comes in two […]

Every SPF record ends with an “all” mechanism that tells receiving servers how to handle […]

SPF flattening converts domain-based mechanisms (like include:) into direct IP addresses. The technique bypasses the […]

A PTR record maps an IP address back to a domain name — the reverse […]

Your email service provider says “delivered.” But delivered where? A 98% delivery rate can mask […]

Gmail processes billions of emails daily. If you send bulk email, Google Postmaster Tools is […]

Outlook and Hotmail represent over 350 million active accounts worldwide. If you send an email […]

You’ve set up DMARC, and now XML files are flooding your inbox. The data inside […]

One-click unsubscribe is a header-based mechanism that lets recipients opt out of marketing emails instantly […]

The way people join your list determines whether your emails reach their inboxes. A signup […]

Email list hygiene is the ongoing practice of maintaining list quality by removing addresses that […]

Email infrastructure is the backend framework that makes email delivery possible. The system activates the […]

BIMI (Brand Indicators for Message Identification) displays your brand logo next to emails in recipients’ […]

An email suppression list is a “do not send” database that automatically excludes certain addresses […]

A good email deliverability rate is above 89% — excellent is above 95%. The global […]

A spam trap is an email address that functions as a detection mechanism. ISPs, mailbox […]

Most email campaigns fail before reaching a single inbox.  Broken technical setup, damaged domain reputation, […]

Gmail and Yahoo now reject emails from bulk senders who fail authentication, exceed spam thresholds, […]

Getting blacklisted on Spamhaus can cause serious delivery issues with providers that use Spamhaus data […]

UCEPROTECTL3 blacklists entire networks and ASNs — not individual domains. If you’re listed, it means […]

Building your own email software stack from scratch costs upwards of $200,000 before you even […]

Business email compromise (BEC) is a targeted cyberattack where criminals impersonate executives, vendors, or employees […]

For many senders, we’re talking 14-17% of legitimate marketing emails failing to reach the inbox […]

Your DMARC record exists, but it’s stuck on p=none (monitoring only). This means you’re collecting […]

The 550 5.0.0 error means a mail server permanently rejected your email, and it won’t […]

“Tagging people” in emails means two different things depending on your goal — and mixing […]

Email bounce rate is the percentage of emails that fail to be delivered to the […]

Generating a DKIM record in MailEnable requires admin access to your Windows VPS. Let’s go […]

Email spam filtering calculates probability scores by analyzing dozens of characteristics across sender identity, content […]

Constant Contact is NOT making it harder to remove fake emails — they’re actually trying […]

Microsoft 365 won’t receive emails until you point your domain’s MX records to Microsoft’s mail […]

The 554 5.7.1 relay access denied error is a permanent SMTP rejection that occurs when […]

Short answer — for major providers, capitalization doesn’t affect delivery. By specification, the local part […]

A Mail Transfer Agent (MTA) is software that transfers email between servers using the SMTP […]

DKIM setup protects your email authentication and keeps messages out of spam. The process stays […]

The 554 5.7.5 error blocks your emails permanently because receiving servers can’t evaluate your DMARC […]

When you see “550 5.7.26 Unauthenticated email from [yourdomain.com] is not accepted due to the […]

Setting up DKIM for Sitecore Send means adding a TXT record to your domain’s DNS […]

An email subdomain is a part of your main domain that is used to send […]

Adobe Marketo Engage and Salesforce Marketing Cloud Account Engagement (formerly Pardot) are both recognized as […]

SPF Record stops spammers from impersonating your domain and sending fake emails in your name. […]

Nearly half of all emails sent in 2025 got flagged as unwanted by spam filters […]

Email on Acid pricing starts at $74/month (billed annually), but you’ll probably need the $134/month […]

ActiveCampaign delivers powerful automation, but its steep learning curve, escalating costs, and basic CRM features […]

Restaurant email marketing helps one-time visitors keep coming back. And it has got a good […]

Litmus raised prices by 151%, eliminated their affordable Basic plan, and gave existing customers no […]

Choosing between Email on Acid and Litmus can be difficult — as both claim to […]

A good email open rate falls between 17% and 28%. But that information is really […]

The CAN-SPAM Act is a federal law that sets the rules for commercial email, establishes […]

You’ve sent an important email, and now you’re wondering if anyone actually opened it. Read […]

HubSpot costs less and launches faster, while Marketo offers enterprise power but needs IT support. […]

Law firms lose qualified leads daily because their emails never arrive.  According to Clio’s Legal […]

As a financial advisor, you’re compliant with the SEC and FINRA when it comes to […]

Most insurance agents lose clients not because of pricing or coverage issues, but because of […]

The difference between a packed webinar and an empty one comes down to a repeatable, […]

SMS converts like crazy. Open rates hover around 98% (according to vendor reports), and 81% […]

Social platforms keep changing their rules, organic reach keeps shrinking, and you’re left wondering if […]

Your boss is asking why the pipeline didn’t move, and you’re questioning whether webinars still […]

The webinar day arrives, and only 30-40% of registrants actually show up. Viewer attention begins […]

A specialized cold email marketing agency lives and breathes outbound sales, combining technical deliverability with […]

Specialized hotel email marketing agencies solve this problem by understanding hospitality CRM, email deliverability, and […]

Email should generate 30-40% of your ecommerce revenue. And if it’s not, then you should […]

Text messages get read. 98% of them, within minutes. But send too many, ignore legal […]

You’re paying OTAs 15-25% commission on every booking while your email list collects dust.  Meanwhile, […]

According to the FBI’s Internet Crime Complaint Center, losses hit $16.6 billion across 859,532 complaints […]

Email returns around $36 per dollar invested (Litmus confirms this), with earlier studies citing up […]

Email marketing brings a return of approximately $36 for every dollar spent (that’s a 3,600% […]

To get the most out of this BFCM season, you need a systematic approach that […]

Sendy and EasySendy are both decent platforms to consider, especially if your operations are on […]

The choice between Flodesk vs Elastic Email isn’t simple — it’s pretty situational.  Both platforms […]

Your latest email campaign looked perfect in the preview, but something went wrong. Readers are […]

After nearly 30 years in the market, Constant Contact is struggling to keep pace with […]

You can’t survive on classical marketing channels for leads in 2025 (at least not manually). […]

Your revenue pipeline is bleeding out, and it’s not because your product sucks. You’ve got […]

Most iPhone users rely on the default Mail app, assuming it’s their only choice (or […]

Email is not dead. In fact, recent surveys report that the ROI of email marketing […]