I have previously successfully received emails from people at gloscab.org.uk but now i do not get emails. They do not appear in my Windows Live Email client (inbox nor spam) and if I sign into virgin email webmail they are not in my inbox or spam there either. My spam settings are 'Move message to Spam folder'. I know i should be getting emails as I have got people to copy them to my gmail account that works fine. I also suspect but cannot prove that i am not getting emails from e-on and who knows who else!
The fly in the ointment here is an Email Service Provider (ESP) called Sendgrid, which CAB presumably uses for their email services.
From the message data you supplied, Gmail received and accepted this email from a Sendgrid email server with IP address 18.104.22.168.
VM will also have received their copy of the email from the same source.
Unfortunately, email service suppliers regularly find their servers being used by spammers and this results in the servers concerned appearing on various email blacklists from time to time – of which there are about 95 separate lists from around the world.
Today, the above-named server appears on several lists – see picture below.
And that is probably whyyou did not receive it. If VM found that the source was blacklisted it would either be bounced back or discarded. If it was bounced back to Sendgrid, only they can say what happened next. So, why did Gmail accept it? Maybe because they work closely together with Sendgrid (based in Denver, Colorado), and Google in California - or they were just using a different set of blacklists that day..
You know it is not unknown that for reasons which are hard to ascertain something happens at the sender's end to change the spelling of the e-mail address. You should have checked this this already and perhaps you have. Have a look at one of the successful GMail receipts and check that your VM mail address is being spelled correctly. That would always be my first thought.
E-mails should not just go astray. Your spam settings for VM are good and using the recommended ones. I have checked and the CAB mail domain does not appear to be on any third party run blacklists that might cause rejection - but if they were there'd be a clear and unequivocal bounce message from VM's servers. We've seen these.
It would be a needle in a haystack job for VM's e-mail team to try and see what had happened to past e-mails sent to you. I would ask the CAB to send you a test mail and tell you the precise time and date it was sent. If you get it all well and good. If you don't come back here with the details and we'll advise further.
Superuser 2017/18 Use Kudos to say thanks Mark answer as "helpful" only when the problem is solved Please don't send me private messages unless I ask you to. I do not work for VM. The advice I give is based on my best understanding of VM policy and practice. You rely on it at your own risk.