How to improve email delivery rates to WP and Onet mailboxes?

Summary

Improving email delivery rates to WP and Onet requires a comprehensive strategy focusing on volume management, authentication, list hygiene, and reputation monitoring. Due to their strict filtering, throttling sends, segmenting recipients, and gradually warming up IPs are recommended. Implementing robust authentication (SPF, DKIM, DMARC) is crucial, along with maintaining a clean list by removing inactive subscribers and managing bounces. Analyzing content for spam triggers, simplifying the unsubscribe process, and actively monitoring sender reputation using tools like Google Postmaster Tools are essential. Participating in feedback loops and adhering to CAN-SPAM guidelines are also important. Premium mail channels offer limited volume increases but should be considered. High engagement and consistent sending practices are paramount for building a positive reputation.

Key findings

  • Volume Sensitivity: WP and Onet are highly sensitive to high sending volumes; throttling is essential.
  • Authentication is Paramount: Strong SPF, DKIM, and DMARC authentication is a non-negotiable requirement.
  • List Hygiene Matters: Regularly cleaning your email list by removing inactive subscribers and managing bounces significantly impacts deliverability.
  • Reputation Monitoring is Key: Actively monitor your sender reputation using Google Postmaster Tools and other available resources.
  • Feedback Loops Provide Insights: Utilize feedback loops (FBL) to understand and address spam complaints.

Key considerations

  • Dedicated IP: Consider using a dedicated IP address with a solid reputation.
  • Content Quality: Analyze email content to avoid spam trigger words and phrases.
  • Easy Unsubscribe: Ensure a simple and straightforward unsubscribe process.
  • Warming Up: Gradually warm up new IP addresses to build a positive sending reputation.
  • CAN-SPAM Compliance: Adhere to CAN-SPAM regulations.
  • Engagement: Focus on consistent sending practices and engagement.
  • Premium Channels: Consider premium mail channels for potentially increased volume, but be aware of their limitations.

What email marketers say
12Marketer opinions

Improving email delivery rates to WP and Onet mailboxes requires a multifaceted approach focusing on sending practices, technical configuration, and list management. Due to the providers' strict filtering, senders should throttle sending volumes, segment WP/Onet recipients, and warm up new IP addresses gradually. Implementing proper authentication (SPF, DKIM, DMARC) is essential, as is maintaining a clean email list by removing inactive subscribers and managing bounces. Analyzing email content for spam triggers, simplifying the unsubscribe process, and actively monitoring sender reputation are also crucial steps. Premium mail channels are an option but even then volume is limited.

Key opinions

  • Volume Throttling: WP and Onet are sensitive to high sending volumes; throttle sends and segment recipients.
  • Authentication: Proper SPF, DKIM, and DMARC setup is crucial for authentication.
  • List Hygiene: Regularly remove inactive subscribers and manage bounces to maintain a clean list.
  • Sender Reputation: Actively monitor sender reputation using tools like Google Postmaster Tools.
  • Premium Channels: Premium mail channels exist for increased volume, but even these have limitations.

Key considerations

  • IP Reputation: Consider using a dedicated IP address with a good reputation.
  • Content Analysis: Carefully analyze email content to avoid spam trigger words.
  • Unsubscribe Process: Ensure the unsubscribe process is easy and straightforward to avoid spam complaints.
  • Bounce Handling: High bounce rates negatively impact reputation; manage bounces effectively.
  • Warming Up IPs: Gradually warm up new IPs to establish a positive sending history with these providers.
Marketer view

Email marketer from Reddit r/emailmarketing emphasizes the importance of rigorous list hygiene, regularly removing inactive subscribers and bouncing addresses, as WP and Onet are known to penalize senders with high bounce rates.

January 2023 - Reddit r/emailmarketing
Marketer view

Email marketer from Email Geeks shares that WP and Onet are difficult providers to send to with any significant volume. He recommends throttling sends and breaking up recipients under that umbrella into separate sends over time. He also mentions he hasn't been able to find a reliable postmaster contact in over a year.

December 2021 - Email Geeks
Marketer view

Email marketer from Email Marketing Secrets Blog that WP and Onet heavily rely on authentication protocols. If your email marketing domain isn't set up with SPF, DKIM, and DMARC correctly, your emails are more likely to land in the spam folder.

April 2024 - Email Marketing Secrets Blog
Marketer view

Email marketer from Onet Poczta Forum recommends using a dedicated IP address with a good reputation, as shared IPs are more likely to be blacklisted due to the actions of other senders.

June 2024 - Onet Poczta Forum
Marketer view

Email marketer from Email Marketing Tips Blog advises gradually warming up new IP addresses by starting with low sending volumes and slowly increasing them over time. This helps establish a positive sending reputation with WP and Onet.

August 2021 - Email Marketing Tips Blog
Marketer view

Email marketer from Email Marketing Advice Forum suggests carefully analyzing email content to avoid using spam trigger words or phrases that might cause WP and Onet to flag messages as spam.

January 2022 - Email Marketing Advice Forum
Marketer view

Email marketer from Marketing Conversion Blog advises making the unsubscribe process easy and straightforward. Hiding or complicating the unsubscribe process can lead to increased spam complaints, negatively impacting deliverability to WP and Onet.

August 2024 - Marketing Conversion Blog
Marketer view

Email marketer from Email Geeks explains that after reviewing data, hitting the #CR-IN-DEF-2 bounces seemed to happen after sending to 200-300 emails.

February 2023 - Email Geeks
Marketer view

Email marketer from StackExchange Email Deliverability notes that implementing a DMARC policy with a 'p=reject' or 'p=quarantine' setting can significantly improve deliverability by protecting against email spoofing. However, it's crucial to ensure SPF and DKIM are properly configured first.

July 2021 - StackExchange Email Deliverability
Marketer view

Email marketer from Growth Hacking Community recommends actively monitoring sender reputation using tools like Google Postmaster Tools to identify and address any deliverability issues with WP and Onet.

December 2024 - Growth Hacking Community
Marketer view

Email marketer from Email Geeks shares that polish providers offer "premium" mail channels, where bulk senders are throttled by default, but can pay to have their emails delivered.

January 2024 - Email Geeks
Marketer view

Email marketer from EmailMarketingPolska Forum suggests throttling sending volume significantly and segmenting WP and Onet recipients into separate sending campaigns with longer sending windows to avoid triggering spam filters.

October 2021 - EmailMarketingPolska Forum

What the experts say
2Expert opinions

Improving email delivery rates to WP and Onet mailboxes hinges on robust sender authentication (SPF, DKIM, DMARC), active sender reputation management, and maintaining a high-quality email list. Consistent sending practices and high engagement rates are essential for a positive reputation, while regularly removing inactive subscribers and re-engaging dormant users prevents deliverability issues.

Key opinions

  • Authentication: Strong sender authentication (SPF, DKIM, DMARC) is crucial for deliverability.
  • Sender Reputation: Actively managing sender reputation is key to improving delivery rates.
  • List Quality: Maintaining a high-quality email list is essential for avoiding negative impacts on deliverability.
  • Engagement: Consistent sending practices and high engagement rates are vital for a positive reputation.

Key considerations

  • Inactive Subscribers: Regularly remove inactive subscribers to improve list quality.
  • Re-engagement Strategies: Implement strategies to re-engage dormant users before removing them.
Expert view

Expert from Word to the Wise shares that maintaining a high-quality email list and focusing on engagement are essential. She recommends regularly removing inactive subscribers and implementing strategies to re-engage dormant users to prevent low engagement from negatively impacting your reputation with WP and Onet.

November 2022 - Word to the Wise
Expert view

Expert from Word to the Wise explains that focusing on strong sender authentication (SPF, DKIM, DMARC) and actively managing your sender reputation are key to improving deliverability with any mailbox provider, including WP and Onet. He emphasizes the importance of consistent sending practices and engagement.

October 2021 - Word to the Wise

What the documentation says
5Technical articles

Improving email delivery rates to WP and Onet necessitates adhering to their specific guidelines for bulk senders, including proper authentication (SPF, DKIM, DMARC), maintaining a low spam complaint rate, and complying with regulations like CAN-SPAM. Utilizing feedback loops (FBL) offered by Onet.pl is recommended to monitor spam complaints and identify problematic sending practices. Correctly configuring SPF records is essential to authorize sending servers, and DKIM signatures are needed to cryptographically authenticate email senders. Monitoring domain reputation in Google Postmaster Tools provides insights into how these providers view your sending practices and helps pinpoint deliverability issues.

Key findings

  • Authentication: WP.pl requires proper SPF, DKIM, and DMARC authentication for bulk email senders.
  • Spam Complaints: Maintaining a low spam complaint rate is essential for delivery to WP.pl.
  • Feedback Loops: Onet.pl provides a feedback loop (FBL) to monitor spam complaints.
  • SPF Configuration: Correctly configured SPF records are essential for authorizing sending servers.
  • DKIM Signatures: DKIM signatures cryptographically authenticate email senders.
  • Google Postmaster Tools: Monitoring domain reputation in Google Postmaster Tools provides insights into WP and Onet's view of your sending practices.

Key considerations

  • CAN-SPAM Compliance: Adhere to CAN-SPAM regulations to avoid filtering by WP.pl.
  • Problematic Practices: Identify and address problematic sending practices based on FBL data.
  • Server Authorization: Ensure all sending servers are correctly authorized in the SPF record.
  • Sender Verification: Implement DKIM to verify the authenticity of the sender and prevent spoofing.
  • Reputation Monitoring: Regularly monitor domain reputation to proactively address deliverability issues.
Technical article

Documentation from Google explains that monitoring domain reputation in Postmaster Tools can reveal valuable insights into how WP and Onet (which often use Google's spam filtering) view your sending practices. Low reputation scores indicate deliverability problems.

November 2024 - Google
Technical article

Documentation from WP.pl explains that they have specific guidelines for bulk email senders, requiring proper authentication (SPF, DKIM, DMARC), a low spam complaint rate, and adherence to CAN-SPAM regulations. They actively filter senders not meeting these criteria.

November 2024 - WP.pl
Technical article

Documentation from Onet.pl explains that they provide a feedback loop (FBL) program for senders to monitor spam complaints and identify problematic sending practices. Participating in the FBL can help improve deliverability.

May 2021 - Onet.pl
Technical article

Documentation from DKIM.org details that DKIM signatures cryptographically authenticate the sender of an email, verifying that the message hasn't been altered in transit and that it truly originates from the claimed sender. This is a crucial factor for improving deliverability with WP and Onet.

September 2022 - DKIM.org
Technical article

Documentation from RFC Editor explains that SPF records must be correctly configured to authorize sending servers for your domain. Incorrect SPF records are a common cause of deliverability issues and can lead to emails being rejected.

February 2024 - RFC Editor