Question about Exim

Greetings everyone, I set up an Exim mail filter file containing the following: # Exim filter if $h_X-Amavis-Hold contains then freeze endif Is there a better condition that will test just for the existence of the header? I have tried def: without any luck. If anyone knows how, that

Question about Exim

Greetings everyone, I set up an Exim mail filter file containing the following: # Exim filter if $h_X-Amavis-Hold contains then freeze endif Is there a better condition that will test just for the existence of the header? I have tried def: without any luck. If anyone knows how, that