The fear of opening letters. Commonly the case when a person has experienced or experiencing a period of time when they fear unaffordable bills arriving in the mail and so end up significantly delaying the opening of a letter or discarding of it unopened all together. ENVELOPAPHOBIA, ENVELPAPHOBIC
My taxbill has just been posted and I’m feeling envelopaphobic. Could you open it for me?
I’ve been too scared to open a single letter posted. I think I have envelopaphobia.