For example, many mail clients will strip off old signatures when replying to mails. This is a Good Thing, because, hey, just one signature per mail ya?
Many mail clients, like mutt, can display signatures in a different colour or font.
So, what /are/ sigdashes?
The character sequence "dash dash space" on a line by themselves are collectively known as sigdashes. It looks something like this (without the quotes):
Configuring your mail client to use sigdashes:
Setup | Config
- Composer Preferences | Enable Sigdashes
- Reply Preferences | Strip From sigdashes in reply
Mutt: (sigdashes on by default)
in .muttrc, add
unless it's set to "no" in /etc/Muttrc or ~/.muttrc, you do not need to do anything.
Thunderbird (via TagZilla):
In the TagZilla | Formatting screen, set Tagline Prefix to (without quotes)
Thunderbird (no TagZilla) / Evolution / Web based mail:
Include the sigdashes line as the first line of your signature file/text.
Kmail / Outlook Express:
Go forth and spread the good news.