Attached is a sample mail which a valid signature which will be damaged when using "Pipe Through". Notice the user agent of the mail: It's KMail, so KMail even damages its own mails.
** Attachment added: "before.mbox" https://bugs.launchpad.net/ubuntu/+source/kdepim/+bug/1290506/+attachment/4017132/+files/before.mbox -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1290506 Title: KMail "Pipe Through" filter action breaks GnuPG signatures To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kdepim/+bug/1290506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs