Sounds like you may have your anti-spam or reputation policies set too tight - Mimecast support should be able to tell you what changes have been made to polices in the last few weeks.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of David L Herrick Sent: Tuesday, May 10, 2016 1:32 PM To: [email protected] Subject: [NTSysADM] RE: Any Mimecast users? Flagged as Spam. Typically there is a PDF and brief note and signature. Format has not changed Tx -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Ferguson, Chris Sent: Tuesday, May 10, 2016 10:00 AM To: [email protected] Subject: [NTSysADM] RE: Any Mimecast users? What is the reason for rejection? We're using Mimecast here and haven't heard anything from end users. Chris Ferguson IT Manager, Infrastructure and Operations | NEPC, LLC P: +1 (617) 395-7329 | M: +1 (978) 257-9789 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of David L Herrick Sent: Tuesday, May 10, 2016 12:49 PM To: [email protected] Subject: [NTSysADM] Any Mimecast users? Starting last week, we had many longtime email domains rejected by Mimecast when they tried to email us. 60+ whitelisted domains later, we are now getting rejections on our email to long standing clients - argh Anyone else?
