Spf
Articles Tagged spf:
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ScaledMail: Cold Email Inboxes That Reach the Inbox
Cold email dies in the spam folder before the sentence is the problem. Business-to-business (B2B) teams send from the same domain they use for customers, invoices, and password resets. One rough month, and the messages that matter stop arriving. A…
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App: Import, Modify, or Build Your DMARC TXT Record from Scratch
Most teams publish a policy once and then stop looking at it. A phone number in the directory changes, a new sending service goes live, and the record at the DNS host still describes last year’s setup. A DMARC record…
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Ask Martech v3.0: How I Built My Own Chatbot on WordPress Using Cloudflare
Martech Zone grew large enough to attract bots that were looking for nothing in particular. They fired random terms at WordPress search, a query string at the end of the address, and each request made the database scan the archive.…
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Resend: Transactional Email With a Developer-First API
Password resets, receipts, and onboarding sequences are the messages your product cannot afford to miss. When they land in spam, users assume the app is broken, support tickets pile up, and revenue that should have been automatic never shows up.…
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DNS Query: Understanding The Internet’s Phonebook
Think of the internet as a massive global city where every building has a specific coordinate, known as an IP Address (a string of numbers like 192.168.1.1). Since humans are much better at remembering names like MartechZone.com than long strings…
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Import, Modify, or Build Your SPF Record from Scratch
The details and explanation of how an SPF record works are detailed below the SPF Record builder. SPF Record Builder Here's a tool to add your own TXT record to your domain or subdomain for the emails you're sending from. SPF Record Builder v2.0.0Last…
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The Complete Guide to Defending Your Brand from Being Used as a Phishing Source
In late April 2026, attackers ran one of the most elegant phishing campaigns in recent memory against Robinhood customers. They didn't spoof a domain. They didn't compromise a mail server. They didn't steal a single credential from Robinhood itself. Instead,…
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Time To Spring Clean Your Email Marketing Program
The flowers are blooming, the air is crisp, and if you’re like most marketers, your email list has likely gathered some dust over the winter. Today, a set-it-and-forget-it mentality is a recipe for the spam folder. High-volume senders are now…
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Mailtrap Review: Transactional Email Infrastructure Built for FinTech Compliance and Scale
A delayed 2FA code locks users out. A missed KYC email stalls onboarding. A transaction notification in spam erodes trust. For FinTech companies - neobanks, payment gateways, lending platforms, digital wallets - email infrastructure isn't just about sending messages. It's…
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DMARC RUA Report Viewer
Every domain that publishes a DMARC record can receive daily aggregate reports — called RUA reports — from major mailbox providers (ISPs) like Google, Microsoft, and Yahoo. These reports tell you exactly which IP addresses are sending mail on behalf…
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Postmark: The Developer-First Email API for Reliable Bulk Sending
When your application triggers a password reset, a purchase receipt, or a critical account notification, every second of delay erodes user trust. For many developers, the nightmare isn't just a slow send; it’s the black hole of email delivery where…
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Email Header Analyzer
Every email you receive carries a hidden payload of technical metadata in the email header. While most people never look past the From and Subject lines, the full header tells the complete story of an email's journey: where it actually…
