Zen Internet Support Forum

We've got an exchange server, hosted on a Zen connection, and randomly, users get the above error when sending emails. I've inserted 555 in the email addresses to (hopefully) prevent spamming  Generating server: diamond.cor.local Support@rhombus-systems.com555smarthost03.mail.zen.net.uk #550 Envelope Sender: Domain must resolve in DNS! ...

Just sent an email to my father who has a zen account that I pay for.  I use Thunderbird and so does he.  Is there a way to recall the email if it has not been read?  Any help would be appreciated.  I didn't realise that a suprise had been organised and have sent him a photo of his great grandson which will ruin the effort put ...

Is it possible to tell the spam filter that a certain email address isn't spam, as emails from one address constantly get flagged as spam when they are not.   Regards  

Two of my colleagues have recently started using Apple iPhones and are often out and about seeing clients. They can connect to their Zen POP accounts but only when they initiate a connection.We've read reports that the Apple iPhone will soon (June 2008, with the licencing of MS ActiveSync)) support Microsoft's push email service, which delivers ...

Hi, I've recently switched hosting company and today for the first time have had trouble sending out an email via the Zen smtp server. I'm sending emails from my own domain, which is hosted by a third party. The DNS records look to be in order but I get the following error (only when I send to one particular address - so far) - I've *ed out the ...