> Am 03.12.2018 um 17:56 schrieb Andreas Galatis <[email protected]>: > since several weeks I keep getting mails with sender-addresses like „Harald > Wieruch - Top Ten GmbH [email protected][email protected] > <mailto:[email protected][email protected]>“ > The first part „Harald Wieruch – Top Ten GmbH [email protected] > <mailto:[email protected]>“ stays the same, everything behind this > address changes.
Could it be stolen credentials from a client machine? To access a shared mailbox on an Exchange server, the login name needs be specified as „user\shared“ - and if both use SMTP-formatted addresses, this would look like „[email protected]\[email protected]“. — Matthias
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Description: S/MIME cryptographic signature
