using sed to find, compare and replace text

I have a text in a single file Quiz Worker(Thomas) works in ………. Worker(Alfred) works in ………. Worker(Albert) works in ………. Answer Worker(Thomas) works for company(google) Worker(Alfred) works for company(apple) Worker(Albert) works for company(Microsoft) I wish to replace the empty dotted lines in “Quiz” from information given in “Answer” by using sed based text search,…

Opendkim signature fail after postifx change domain name

I have a server on Scaleway with postfix+opendkim installed. I configured posfix to firm the message using opendkim and to encript it using TLS. Initially postix was sending the mail using @hostname instead @domain. To send the mail as “user@domain”, instead “user@hostname”, i forced the operation using parameter “-aFrom:user@domain” of mail command. Next I changed…