I have a exchange setup and everything is working fine. When I setup IMAP (since all clients do not support RPC over HTTP), I specify IMAP and for security I have to choose SSL or TSL, but for SMTP I ...

Google announced today that Gmail has become the first major email provider to support two new security standards, namely MTA-STS and TLS Reporting. Both are extensions to the Simple Mail Transfer ...

I've got an Exchange 2007 box with the following error:<br><br>There is no valid SMTP Transport Layer Security (TLS) certificate for the FQDN of mail.domain.com. The existing certificate for that FQDN ...

Facebook dug into the prevalence of SMTP STARTTLS deployments for email encryption and found that 58 percent of messages are sent encrypted and certificate validation happened without a hitch. As more ...

Ka Fun Tang (The Chinese University of Hong Kong), Che Wei Tu (The Chinese University of Hong Kong), Sui Ling Angela Mak (The Chinese University of Hong Kong), Sze Yiu Chau (The Chinese University of ...