Not sure if this is a bug on your end
I picked this screenshot because sometimes even the paperclip image is broken. I confirmed the two images for paperclip and nextcloud logo work when mail is sent unencrypted
Plugin works fine just the images in the body of an encrypted email are intermittently broken perhaps there is a more reliable way to insert the pretty images for the attachment links?
thanks in advance!
mail sent and received with
TB plugin Enigmail 1.99
TB plugin Filelink 1.7
Nextcloud server 12.0.4 FreeBSD (NON PORT version rater installed via source download on nextcloud.com)