From: Scott Undercofler via mailop Sent: February 1, 2024 17:04 > > The issue you’re seeing is directly related to SMTP smuggling which > was discussed on list ad nauseam about a month ago.
I did see those but they did not appear to relate to anything we are doing so I did not read them in detail. I will now go back to these in the list archives. > The servers at shaw are configured to reject non-RFC bare linefeeds. Silly me I was looking for bare CRs as the error message advised. I will now go back and review the code for bare LFs. I am also having the code reviewed by someone else. > Can you elaborate on why you’re sending them as they are not allowed. If we are sending them we are not doing so intentionally. The code in question was reviewed and updated for CR/LF pairing many years ago and has been running fine until now. We are a little suspicious that the issue is only occurring with mail sent to shaw.ca email addresses. Shaw was recently acquired by Rogers and they are in the process of merging Shaw operations into Rogers so it is not inconceivable that problems might occur during this merger. We are trying to reach techs at Shaw but it is not easy. In the interim, we will continue to review our code and operations to see if it is a problem at our end. Thank you very much for your suggestions. Regards, Hugh -- Hugh E Cruickshank, Forward Software, www.forward-software.com _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
