I had to do some SMTP relay troubleshooting and it wasn't obvious how to view…
The little known WBR tag is great for formatting HTML tables. Add it to specific places in your table cell values to give the browser the option to add a line break there. This is very useful when displaying tables with long strings that would otherwise cause horizontal scrolling.
Here’s a sample table, displaying some info. Since the values in the tables do not have spaces or tabs, the browser is forced to display the values on one line:
Here’s the same table, with <wbr/> tags inserted where periods are: