digest: Switch from emails to user IDs for logging.
digest: Switch from emails to user IDs for logging.

This is better practice.

punchagan/zulip,showell/zulip,synicalsyntax/zulip,eeshangarg/zulip,synicalsyntax/zulip,punchagan/zulip,andersk/zulip,punchagan/zulip,zulip/zulip,punchagan/zulip,brainwane/zulip,punchagan/zulip,punchagan/zulip,rht/zulip,shubhamdhama/zulip,brainwane/zulip,showell/zulip,rht/zulip,timabbott/zulip,andersk/zulip,timabbott/zulip,shubhamdhama/zulip,shubhamdhama/zulip,andersk/zulip,eeshangarg/zulip,timabbott/zulip,synicalsyntax/zulip,showell/zulip,rht/zulip,rht/zulip,eeshangarg/zulip,hackerkid/zulip,rht/zulip,timabbott/zulip,hackerkid/zulip,kou/zulip,showell/zulip,zulip/zulip,hackerkid/zulip,andersk/zulip,brainwane/zulip,hackerkid/zulip,brainwane/zulip,synicalsyntax/zulip,eeshangarg/zulip,showell/zulip,showell/zulip,eeshangarg/zulip,shubhamdhama/zulip,timabbott/zulip,eeshangarg/zulip,synicalsyntax/zulip,timabbott/zulip,zulip/zulip,hackerkid/zulip,zulip/zulip,timabbott/zulip,zulip/zulip,synicalsyntax/zulip,brainwane/zulip,andersk/zulip,kou/zulip,rht/zulip,kou/zulip,shubhamdhama/zulip,brainwane/zulip,synicalsyntax/zulip,zulip/zulip,rht/zulip,kou/zulip,andersk/zulip,kou/zulip,eeshangarg/zulip,shubhamdhama/zulip,brainwane/zulip,punchagan/zulip,zulip/zulip,andersk/zulip,hackerkid/zulip,showell/zulip,hackerkid/zulip,shubhamdhama/zulip,kou/zulip,kou/zulip