Z 5 z 5 gwězdkow pógódnośony

wót Geremia10 dnja Měrc 19, 2018 · trajny wótkaz

Even in TB 52.x, this extension is needed to enable default plaintext delivery formatting (so you can compose as HTML and convert to plaintext for delivery).

"prefer sending plain-text e-mails" will only deliver as plaintext if no HTML is detected during the email's composition.