### A Message ID as it appears in an email: 2022-12-29 07:35:43.928000 GMT ### A Message ID as it appears in the exim log: 2023-01-08 06:36:04.082000 GMT ### Just the date part of the Message ID: ### The Epoch ... 1970-01-01 01:00:00.000000 BST ### ... the script was under development at this time ... 2023-01-08 06:36:04.000000 GMT ### ... the end of exim msg-id time 3769-12-05 03:13:03.000000 GMT ### All three time zones with a non-GMT time 1656539662.789000 2022-06-29 21:54:22.789000 2022-06-29 22:54:22.789000 BST ### All three types of message-ids, at once: 1970-01-01 01:00:00.000000 BST 2022-12-29 07:35:43.928000 GMT 3769-12-05 03:13:03.000000 GMT ### Message IDs generated on a system, such as Mac or Cygwin, ### which has low-resolution Message-ID timestamps 1970-01-01 01:00:00.000000 BST 2038-12-24 05:45:36.295000 GMT ### An invalid base option ### Message IDs generated on a standard system ### with high-resolution Message-ID timestamps 1970-01-01 01:00:00.000000 BST 3002-09-30 13:51:46.102500 BST 3769-12-05 03:13:04.921500 GMT ### Some strings that are similar to, but not Exim Message IDs: ### Print date with localtime 1970-01-01 01:00:00.000000 BST 2022-12-29 07:35:43.928000 GMT 3769-12-05 03:13:04.921500 GMT ### Print date with timezone GMT/Zulu 1970-01-01 00:00:00.000000 2022-12-29 07:35:43.928000 2022-12-29 07:35:43.928000 3002-09-30 12:51:46.102500 ### Print date as seconds since the UNIX epoch. 0.000000 1672299344.734000 56800235584.921500 ### Show the process id too 32590299106.102500 pid 874183 3002-09-30 13:51:46.102500 BST pid 874183 3002-09-30 13:51:46.102500 BST pid 874183 ### Override the value of localhost_number set in the exim configuation file 3002-09-30 13:51:45.025000 BST 3002-09-30 13:51:45.025000 BST 2038-12-24 05:45:38.950000 GMT 3002-09-30 13:51:45.025000 BST ### From here as 701 - 703 ### Each msg-id type, all zone 0.000000 pid 1319504 1970-01-01 00:00:00.000000 pid 1319504 1970-01-01 01:00:00.000000 BST pid 1319504 0.000000 pid 1319504 1970-01-01 00:00:00.000000 pid 1319504 1970-01-01 01:00:00.000000 BST pid 1319504 32590299106.921500 pid 1319504 3002-09-30 12:51:46.921500 pid 1319504 3002-09-30 13:51:46.921500 BST pid 1319504 1288014663.915000 pid 774213 2010-10-25 13:51:03.915000 pid 774213 2010-10-25 14:51:03.915000 BST pid 774213 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 1288014663.000000 2010-10-25 13:51:03.000000 2010-10-25 14:51:03.000000 BST 56800235583.000000 3769-12-05 03:13:03.000000 3769-12-05 03:13:03.000000 GMT 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 1288014663.000000 2010-10-25 13:51:03.000000 2010-10-25 14:51:03.000000 BST 32590299105.000000 3002-09-30 12:51:45.000000 3002-09-30 13:51:45.000000 BST ### All msg-id types, all zones, localhost_number = 3 -3.000000 1969-12-31 23:59:57.000000 1970-01-01 00:59:57.000000 BST -3.000000 1969-12-31 23:59:57.000000 1970-01-01 00:59:57.000000 BST 32590299121.215000 3002-09-30 12:52:01.215000 3002-09-30 13:52:01.215000 BST 1288014669.150000 2010-10-25 13:51:09.150000 2010-10-25 14:51:09.150000 BST 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 1288014663.000000 2010-10-25 13:51:03.000000 2010-10-25 14:51:03.000000 BST 56800235583.000000 3769-12-05 03:13:03.000000 3769-12-05 03:13:03.000000 GMT 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 1288014663.000000 2010-10-25 13:51:03.000000 2010-10-25 14:51:03.000000 BST 32590299105.000000 3002-09-30 12:51:45.000000 3002-09-30 13:51:45.000000 BST ### All msg-id types, all zones, localhost_number = 13 -13.000000 1969-12-31 23:59:47.000000 1970-01-01 00:59:47.000000 BST -13.000000 1969-12-31 23:59:47.000000 1970-01-01 00:59:47.000000 BST 32590299111.215000 3002-09-30 12:51:51.215000 3002-09-30 13:51:51.215000 BST 1288014659.150000 2010-10-25 13:50:59.150000 2010-10-25 14:50:59.150000 BST 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 1288014663.000000 2010-10-25 13:51:03.000000 2010-10-25 14:51:03.000000 BST 56800235583.000000 3769-12-05 03:13:03.000000 3769-12-05 03:13:03.000000 GMT 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 1288014663.000000 2010-10-25 13:51:03.000000 2010-10-25 14:51:03.000000 BST 32590299105.000000 3002-09-30 12:51:45.000000 3002-09-30 13:51:45.000000 BST ### All msg-id types, all zones, localhost_number = 20 ### All msg-id types, all zones, base=36 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 102953955.000000 1973-04-06 14:19:15.000000 1973-04-06 15:19:15.000000 BST 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 102953955.000000 1973-04-06 14:19:15.000000 1973-04-06 15:19:15.000000 BST 2176782335.000000 2038-12-24 05:45:35.000000 2038-12-24 05:45:35.000000 GMT ### All msg-id types, all zones, base=62 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 32590299106.921500 3002-09-30 12:51:46.921500 3002-09-30 13:51:46.921500 BST 1288014663.915000 2010-10-25 13:51:03.915000 2010-10-25 14:51:03.915000 BST 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 1288014663.000000 2010-10-25 13:51:03.000000 2010-10-25 14:51:03.000000 BST 56800235583.000000 3769-12-05 03:13:03.000000 3769-12-05 03:13:03.000000 GMT 0.000000 1970-01-01 00:00:00.000000 1970-01-01 01:00:00.000000 BST 1288014663.000000 2010-10-25 13:51:03.000000 2010-10-25 14:51:03.000000 BST 32590299105.000000 3002-09-30 12:51:45.000000 3002-09-30 13:51:45.000000 BST ******** SERVER ******** ### A Message ID as it appears in an email: ### A Message ID as it appears in the exim log: ### Just the date part of the Message ID: ### The Epoch ... ### ... the script was under development at this time ... ### ... the end of exim msg-id time ### All three time zones with a non-GMT time ### All three types of message-ids, at once: ### Message IDs generated on a system, such as Mac or Cygwin, ### which has low-resolution Message-ID timestamps ### An invalid base option ### Message IDs generated on a standard system ### with high-resolution Message-ID timestamps ### Some strings that are similar to, but not Exim Message IDs: ### Print date with localtime ### Print date with timezone GMT/Zulu ### Print date as seconds since the UNIX epoch. ### Show the process id too ### Override the value of localhost_number set in the exim configuation file ### From here as 701 - 703 ### Each msg-id type, all zone ### All msg-id types, all zones, localhost_number = 3 ### All msg-id types, all zones, localhost_number = 13 ### All msg-id types, all zones, localhost_number = 20 ### All msg-id types, all zones, base=36 ### All msg-id types, all zones, base=62