Thami Benjelloun
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Apr 6, 2026
A complete guide to SPF, DKIM and DMARC: what they are, how they work, how to configure them, and how to improve email authentication and inbox placement.
Othman Katim
Mar 31, 2026
Emails can go to spam because of authentication issues, poor sender reputation, DNS mistakes, blacklist listings, or weak engagement. This guide explains the main causes and how to fix them.
Mar 22, 2026
Learn how to improve email deliverability and reach the inbox instead of spam. This complete guide covers warmup, sender reputation, authentication, and best practices to maximize open rates and conversions.
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Daniel Nwankwo
May 12, 2026
BIMI (Brand Indicators for Message Identification) is an email standard that displays your verified brand logo next to your emails in the recipient's inbox. It requires a DMARC policy at enforcement level and, for most providers, a Verified Mark Certificate from a licensed authority.
May 10, 2026
DKIM is an email authentication protocol that attaches a cryptographic signature to your outgoing messages, proving they haven't been altered in transit. It directly impacts whether your emails reach the inbox or get flagged as suspicious. Learn how DKIM works, why inbox providers rely on it, and how to set it up correctly to protect your sender reputation.
May 8, 2026
IMAP errors happen when your email client can't connect to the mail server, authenticate properly, or sync folder state. Most are caused by wrong port settings, expired OAuth tokens, or mailbox storage limits. Here's how to diagnose and fix each one.
May 6, 2026
IMAP keeps your email on the server and syncs across every device in real time. POP3 downloads messages to one machine and typically removes them from the server. The right choice depends on how many devices you use and whether you need access to the same inbox everywhere.
May 4, 2026
IMAP is the protocol that syncs your email across every device you use. Unlike POP3, it keeps messages on the server and mirrors your inbox, sent folder, and read status in real time. Understanding how it works explains most email sync issues and connects directly to how engagement signals affect deliverability.
May 1, 2026
Email reputation is the score inbox providers assign to your domain based on how you send, what you send, and how recipients react. A strong reputation means inbox placement. A weak one means spam, regardless of content quality.
Apr 29, 2026
SPF errors occur when your domain's SPF record is misconfigured, exceeds the 10 DNS lookup limit, or contains syntax issues. DMARC treats SPF PermError as a fail, which means your emails get filtered or rejected regardless of content quality.
A domain gets blacklisted when monitoring organizations flag it for sending patterns that resemble spam. High bounce rates, shared IP contamination, volume spikes, and domain spoofing can all trigger a listing, even for legitimate senders. Most email platforms won't alert you when it happens.
Apr 28, 2026
SMTP is the protocol that email servers use to send, relay, and deliver messages across the internet. Every email travels through SMTP, and the decisions that happen during SMTP transactions directly determine whether your messages reach the inbox or get rejected.
Apr 27, 2026
DKIM failures don’t usually come from missing records. They happen when the signature generated by your email platform doesn’t match the public key stored in your DNS. This mismatch silently breaks authentication, causing emails to land in spam or get rejected without any alert to the sender.
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