Support

Contact form for bulk e-mail senders without bluewin.ch or bluemail.ch domain. More …

Best Practices

Technical recommendations for bulk e-mail sending. More …

Spam Protection

How our spam protection works. More …

Technical Information

IP addresses and error codes. More …

FAQ

Frequently asked questions for e-mail service operators. More …

Legal Conditions

Essential legal conditions regarding bulk e-mail sending. More …