bounceHammer has been EOL'ed on February 29, 2016

EOL on February 29, 2016

bounceHammer have been downloaded and used by many users and companies since the first release on March 2010 and has been EOL: End Of Life on February 29, 2016. Thanks for using bounceHammer for a long time. We are now providing Sisimai (the successor of bounceHammer, more faster, more higher precision of analysis) as a bounce mail parser library in BSD 2-Clause License.

Commercial Support

  • 1Setting Up Sisimai Your Server
  • 2Support developmenet using Sisimai
  • 3Support via Email
  • 4Support bounce management
  • 5Parsing your bounced emails

Terms in bounceHammer

Terms in bounceHammer


This page explain terms used in bounceHammer (source codes, help messages of each command), this web site.

Alphabetized Terms

Sender(From) email address.
It means 'gemail bounce'.
The domain part of Recipient(To) email address.
Pronounce 'g/báuns hǽmər/'. The name of open source software for handling email bounces on UNIX/Linux server.
Cubicroot Co. Ltd.
The company that developed bounceHammer. The headquarters of the company is in Kyoto, Japan. Our company's website is here:
Classification of recipient's domain part: webmail, smartphone, pc, and so on. The list of all host groups is available at Host Group.
The name of core engine and library of bounceHammer.
A Sender name of a bounce email.
Message Token
An identifier string of the record which created by bounceHammer. The message token is a MD5 hash value.
More detailed classification of hostgroup. It contain major company names, such as Google, Yahoo, Microsoft(hotmail). bounceHammer contain 700 or more provider names. The list of all proviers is available at Provider.
A reason for the email bounce. A list of detectable reasons is available at Reason.
Recipient(To) email address.
Sender Domain
The domain part of Sender(From) email address.
The name of bounceHammer's Web User Interface on browser. It is a browser based control panel.
bounceHammer output parsed data as a YAML format. More information about YAML is available at The Official YAML Web Site.