Why are transactional emails being blocked by freenet.de and how to resolve it?

Email marketer from Quora explains if you are experiencing consistent blocks with freenet.de, reach out to their postmaster team directly. Provide detailed information about your sending practices and ask for specific feedback on why your emails are being blocked. Direct communication can help identify and resolve the issues more quickly.

Email marketer from Gmass shares, ensure your transactional emails contain personalised content to help avoid spam filtering. Emails without personalisation are more likely to be filtered out as spam.

Email marketer from Mailjet shares that optimizing email content is crucial for deliverability. This includes using a clean HTML code, avoiding excessive images, and ensuring a good text-to-image ratio. Spam filters often analyze email content to identify potentially harmful or unsolicited messages.

Email marketer from Litmus shares that maintaining a clean email list is essential for deliverability. Regularly remove inactive or invalid email addresses to reduce bounce rates and improve sender reputation. High bounce rates can negatively impact deliverability, causing providers like freenet.de to block emails.

Email marketer from Email Geeks recommends contacting <mailto:postmaster@freenet.de|postmaster@freenet.de>, noting that freenet.de can be sensitive to things like emojis in the subject line or using a company name instead of a person's name in the "From Name" field.

Email marketer from StackOverflow advises checking the sender's IP address and domain reputation against various blacklists. A poor reputation can cause emails to be blocked by providers like freenet.de. They recommend using tools like MXToolbox to monitor reputation and resolve any issues.

Email marketer from EmailOnAcid shares that common issues causing blocked transactional emails include poor sender reputation (due to high bounce rates or spam complaints), missing or incorrect authentication records, and content that triggers spam filters. They suggest monitoring reputation, validating email lists, and testing email content before sending.

Email marketer from Reddit explains that freenet.de is known for having strict spam filtering policies and recommends ensuring emails are properly authenticated with SPF, DKIM, and DMARC. Also, avoid using URL shorteners, excessive links, or spammy language in transactional emails.

Email marketer from Sendinblue shares if you are using a new IP address for sending emails, it's important to warm it up gradually. Start with low volumes and gradually increase them over time to establish a good sending reputation. This can help prevent providers like freenet.de from blocking your emails.

Expert from Email Geeks suggests checking technical aspects like authentication and reverse DNS, and ensuring the mail is transactional. Mentions <mailto:fp-request@freenet.de|fp-request@freenet.de> as a potential contact for false positive listings.

Expert from Email Geeks asks if the rejection occurs before or after DATA in the SMTP transaction. If before DATA, it could be IP reputation, domain in the 5321.from address, or EHLO/SPF issues. If after DATA, it could be other factors.

Expert from Spam Resource explains that sender reputation is a crucial factor affecting email deliverability, especially with providers like freenet.de. A poor sender reputation, caused by spam complaints, high bounce rates, or being listed on blacklists, can lead to transactional emails being blocked. Actively monitor your sender reputation and take steps to improve it, such as cleaning your email list and ensuring proper authentication.

Expert from Word to the Wise shares that specific domains, like freenet.de, are known to have stringent spam filtering policies. They suggest ensuring compliance with their guidelines, which may include avoiding certain keywords or formatting elements in your email content. Regularly review their postmaster guidelines and adjust your sending practices accordingly.

Expert from Email Geeks states that freenet.de is content-sensitive and suggests avoiding emojis in the subject line to prevent increasing spam scores. Also recommends contacting their postmaster and ensuring proper DKIM and rDNS setup.

Documentation from Freenet.de explains that Freenet's spam filters are content-sensitive and designed to block unsolicited bulk email. They recommend ensuring proper authentication (SPF, DKIM, DMARC), maintaining a good sender reputation, and avoiding spam triggers in email content.

Documentation from Google explains how to use Google Postmaster Tools to monitor sender reputation. Maintaining a good reputation is crucial for ensuring emails reach the inbox. They explain how to check spam rates, domain reputation, and IP reputation to identify and address deliverability issues.

Documentation from Microsoft details how the SmartScreen filter works and how it influences deliverability. This details how the content, reputation and authentication are assessed to assign a spam confidence level to each email. Microsoft use it's own reputation networks to assess senders.

Documentation from RFC explains that a 550 SMTP error code typically indicates that the email was rejected for policy reasons, such as spam filtering. The specific reason for the rejection can vary, but it often relates to sender reputation, authentication failures, or content-related issues.

Documentation from SparkPost details the importance of proper email authentication (SPF, DKIM, DMARC) to improve deliverability. It explains how to set up these records correctly and monitor their performance to prevent emails from being flagged as spam.