Envelope With Arrow on Reddit

What it signals here

upvote context

Appears in posts inviting community members to DM for more information, freebies, or private group invites.

community use

Moderators use it in sticky posts to direct sensitive reports or appeals to mod mail — 'use mod mail 📩'

subreddit meaning

In advice or support subreddits, it signals 'feel free to message me privately if you need more help.'

karma context

Low-karma accounts sometimes use it to seem more approachable or legitimate when promoting something.

See it elsewhere