PostFinance signs all its outgoing e-mails with a digital signature. As a recipient, you can use this signature to check that the e-mail has genuinely been sent by PostFinance and that the message text has not been altered.
A digital signature serves the same purpose as a signature. It confirms that the signed e-mail has been sent by PostFinance and that it has not been altered at all after being sent.
PostFinance only sends digitally signed e-mails. Most e-mail clients (Outlook, Thunderbird, Windows Mail, Mail.app) support digital signatures and represent them showing a seal, a sealed envelope or a tick. You can obtain further information about the signature by clicking on the relevant symbol.
If you receive an e-mail that is allegedly from PostFinance, you should check its signature. PostFinance only sends digitally signed e-mails. If you have received an unsigned e-mail claiming to be from PostFinance, please contact our Online Contact Center:
Tel.: 0848 880 044
International: +41 848 880 044
PostFinance newsletters are signed with a certificate that can be checked as follows:
- For newsletters sent after 14 June 2015: Certificates are issued for firstname.lastname@example.org, are valid from 14.06.2015 - 14.06.2017 and their fingerprint is
6b 34 e7 bb 8b 7a c0 31 41 fb 4c 22 5f 76 0d 82 99 bb bb b2.
- For newsletters sent between July 2013 and 11 July 2015: Certificates are issued for email@example.com, are valid from 11.07.2013 - 11.07.2015 and their fingerprint is
f8 da 9e fb b3 38 9c 05 42 2f f2 67 96 5c b2 19 86 5e 6a af.