If you need to write several emails a day/messages irc’s, Autokey is certainly a nice tool to have. I got addicted to using it even on fb messages now!
One just needs to add a new phrase, add the content, and add the abbreviation and it is done.
In my case, I also need to reset the autokey for each new entry.
After that, I just write the abbreviation + space, that the value is replaced by the content. As described in the video below: