~Gus ElkiburingsAug 6, 2015, 9:00 AM42 PostsRe: IBM Mailman Error While sending any attachmentHi Anirudh, This looks to be similar to the following issue: http://www-01.ibm.com/support/docview.wss?crawler=1&uid=swg1LO80255 The recommended solution in that case is to reinstall the Notes client. Thanks, Mark