There are problems with the signature – Click the signature button for details
You are receiving an email with a digital signature, but it has a warning: “There are problems with the signature. Click the signature button for details”.
Something is probably changing the email before delivery, and now it it not valid. An antivirus and/or SPAM scanner could course this. If you are using ESVA Mail scanner this software is insetting a text in the email. This can be disabled.
