Remediating spam blocks from wp.pl without upgrading to a paid delivery service involves a multi-faceted approach focusing on sender authentication, reputation management, list hygiene, and content optimization. Implement SPF, DKIM, and DMARC for authentication; monitor sender reputation using Google Postmaster Tools; maintain a clean email list and warm up your IP address. Optimize email content, avoid spam trigger words and URL shorteners. Utilize feedback loops, ensure a valid rDNS record, and consider that wp.pl may have lower thresholds for non-Polish IPs. Correct WordPress SMTP settings, set a proper Return-Path header, and confirm DKIM validation. Identify and address the root cause of spam blocks before requesting delisting, and be aware that getting into premium channels of the ISP could help. Regularly monitor IP and domain reputation using reputation monitoring services.
12 marketer opinions
Remediating spam blocks from wp.pl without paying for premium delivery involves addressing the root causes of deliverability issues and optimizing email sending practices. Key strategies include ensuring proper email authentication (SPF, DKIM, DMARC), maintaining a clean email list by removing inactive subscribers, warming up your IP address to establish a positive sender reputation, and using a dedicated IP address for more control. Furthermore, it's important to configure WordPress to send emails via SMTP, set a proper Return-Path header, A/B test email content for higher engagement, avoid spam trigger words, and use a separate subdomain to protect your main domain's reputation. Checking DKIM validation and understanding that wp.pl may have lower thresholds for non-Polish IPs are also important factors. While premium delivery may offer assistance, these steps aim to improve deliverability organically.
Marketer view
Marketer from Email Geeks shares that wp.pl was a big provider of data to the DCC corpus, so running emails through that to see if it lights up is recommended. DCC is a fuzzy pattern matching service that uses a distributed network to identify emails similar to known bad emails.
12 Nov 2024 - Email Geeks
Marketer view
Email marketer from Litmus shares A/B testing your email content and subject lines can improve engagement. Higher engagement rates signal to email providers that your emails are valuable, reducing the chance of being marked as spam.
14 Jul 2021 - Litmus
3 expert opinions
Remediating spam blocks, especially without upgrading to a paid service, requires a strategic approach focused on understanding and addressing the root causes of deliverability issues. Identifying the cause of the block is paramount, and you must investigate sending practices, list hygiene, and content to find potential problems. Using feedback loops (FBLs) to proactively identify and remove subscribers who mark your messages as spam is essential. Continuously monitoring your IP and domain reputation also allows for early detection and resolution of issues that could impact deliverability.
Expert view
Expert from Word to the Wise Team explains that using feedback loops (FBLs) to identify and remove subscribers who mark your messages as spam is essential for maintaining a good sending reputation and reducing spam complaints. This helps to proactively address deliverability issues.
2 Feb 2024 - Word to the Wise
Expert view
Expert from Spam Resource explains that identifying the cause of the block is paramount. Check your sending practices, list hygiene, and content. Once identified, address the root cause before requesting delisting. Many blocks are temporary and self-resolve once the offending activity ceases.
18 Aug 2023 - Spam Resource
5 technical articles
To remediate spam blocks from wp.pl without upgrading to a paid service, it's critical to implement strong email authentication measures (SPF, DKIM, DMARC), monitor your sender reputation using tools like Google Postmaster Tools, avoid URL shorteners, ensure a valid reverse DNS (rDNS) record for your sending IP address, and utilize feedback loops (FBLs) where possible. These practices help prove your legitimacy, identify and address issues proactively, and improve your overall sender reputation.
Technical article
Documentation from Google explains that monitoring your sender reputation using Google Postmaster Tools can provide insights into why your emails are being blocked. If your reputation is low, it indicates that Google (and potentially other providers like wp.pl) view your emails as spammy.
23 Mar 2025 - Google
Technical article
Documentation from RFC explains that ensuring your sending IP address has a valid reverse DNS (rDNS) record is critical. An rDNS record maps an IP address back to a domain name, which helps email providers verify the sender's authenticity.
18 Oct 2021 - RFC
How can email senders and users prevent and identify phishing emails?
How can I fix my emails landing in Gmail spam folder?
How can I improve email deliverability when emails are going to spam?
How can I improve email delivery to Polish users?
How do I contact Libero, Virgilio, and Iol admins for whitelisting?
How do I deal with a Suomispam blacklist listing affecting my email deliverability?