help - the pgp-crypted mails were not readable any more - i am lost

[Maze]

how to tell gmail to send plan messages only

i want to send my friend a pgp-crypted mail - but this fails since the html-based mails allways do some changes to the pgp

my friend receives the mails in a broken style
they are not readable any more

plz advice me - any and all help is much appreciated

by the way i use kgpg and the editor to create the crypted message.
i do not like the enigmail-addon for tbird. +
But if i should try this - : Which credentials are needed to configure the einigmail - the public key that i have generated recently.

love to hear from you

greetings