I believe that: if error_message
will do it. -- Kyle Dippery Engineering Computing Services 219 RMB 859-257-1346 ________________________________________ From: Exim-users <[email protected]> on behalf of Odhiambo Washington via Exim-users <[email protected]> Sent: Wednesday, March 28, 2018 3:31 PM To: exim users Subject: [exim] Testing for the null sender in a system filter How do I test for the null sender - <> - in a system filter? -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft." -- ## List details at https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.exim.org%2Fmailman%2Flistinfo%2Fexim-users&data=02%7C01%7Ckyle.dippery%40uky.edu%7Cb6a62e300f0346a46ff008d594e31556%7C2b30530b69b64457b818481cb53d42ae%7C0%7C0%7C636578625405046851&sdata=wRMt8trLXOB1lcc%2Fs5LZNxS7dxF%2BgI0nDkD%2Bwhv53h8%3D&reserved=0 ## Exim details at https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.exim.org%2F&data=02%7C01%7Ckyle.dippery%40uky.edu%7Cb6a62e300f0346a46ff008d594e31556%7C2b30530b69b64457b818481cb53d42ae%7C0%7C0%7C636578625405046851&sdata=C2X5735HSNENPJCw3BecNrgk4R4lMI9BvljQh88ssBk%3D&reserved=0 ## Please use the Wiki with this list - https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwiki.exim.org%2F&data=02%7C01%7Ckyle.dippery%40uky.edu%7Cb6a62e300f0346a46ff008d594e31556%7C2b30530b69b64457b818481cb53d42ae%7C0%7C0%7C636578625405046851&sdata=SdjUWnModWBcDkUXYl0S7Q6hBWX%2BAqX20FM8GMj8j90%3D&reserved=0 -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
