Hello, I tried both your suggestions:
a) change the content type back to application/x-pkcs7-mime b) add "set mime-cipher=aes256" and "set mime-sign-message-digest=sha512" directives to the .mailrc The issue remains: I can decrypt the mails sent via heirloom-mailx but not those from s-nail. Are there any command line tools that let you analyze the smime.p7m attachment? -Sven PS: I added this information to the ubuntu ticket as well. ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi __________________________________ S-nail-users@lists.sourceforge.net