After upgrading to v5.1.0 Visualron will not mail out any mails containing attachments. Once i remove the attachment, the notification works fine.

Since we use attachments on a wide range of our notifications this is a major problem for us. I will roll back to v4 now.....

Thanks for the report. We will look at this and get back to you.

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Actually some attachments work and some don't. I tested a lot of differet combinations, and I couldn't see any logic to why some worked and some other didn't. To rollback, I had to uninstall v5.1.0 and reinstall v4.9.35. Seems like it is some DLL that the mailingroutine uses that fucked this up.