About Timo Sirainen
Born 1979. Timo Sirainen is a Finnish engineer.
Timo Sirainen, born 1979, is a Finnish programmer also known under the handles "cras" and "tss". Sirainen is the original author of the IRC-client Irssi and the POP/IMAP server Dovecot. Sirainen lives in Helsinki, Finland.
In 2006, Sirainen began studying biotechnology at the University of Tampere.
He was formerly working for Rackspace Email & Apps (formerly Mailtrust), where he continued the development of the Dovecot POP/IMAP server.
Since May 2011 he runs his own company offering commercial support for Dovecot. In March 2015, the companies Dovecot Oy and Open-Xchange SA announced a merger.
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Frequently asked questions
Who is Timo Sirainen?
Finnish computer programmer
When was Timo Sirainen born?
Timo Sirainen was born in 1979.
What is Timo Sirainen's occupation?
Timo Sirainen is an engineer.
What nationality is Timo Sirainen?
Timo Sirainen is Finnish.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Timo Sirainen. https://biography.guide/timo-sirainen/
MLA: "Timo Sirainen." Biography.guide, https://biography.guide/timo-sirainen/.
Chicago: "Timo Sirainen." Biography.guide. https://biography.guide/timo-sirainen/.
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