What's happened to relay.plus.net?

[#1]

I have a number of server applications that send out emails via relay.plus.net if something fails. This has worked for years, but all of a sudden, it's stopped working.
Has Plusnet changed something?
thanks.

[#2]

Are you getting any error messages at all? Have you tried sending a mail from a standalone mail client such as Outlook or Thunderbird?

[#3]

Are you aware of the well-publicised change of spam and virus checking to Cloudmark (Plusnet look to the Clouds for Email Security Solution that took place progressively through October?

[#4]

Cloudmark Spam instead of Ironport  - see these threads
http://community.plus.net/forum/index.php/topic,99553.0.html
http://community.plus.net/forum/index.php/topic,99023.0.html

[#5]

Quote from: Chris

Are you getting any error messages at all? Have you tried sending a mail from a standalone mail client such as Outlook or Thunderbird?

I have PRTG Network monitor configured to send via relay.plus.net which I know worked a couple of weeks ago says "Error sending "Email": Connection failed ("relay.plus.net")" and a remote notification app on my WHS says "Error: Failure sending mail".
I have outlook configured as IMAP as I use Gmail.

[#6]

Quote from: spraxyt

Are you aware of the well-publicised change of spam and virus checking to Cloudmark (Plusnet look to the Clouds for Email Security Solution that took place progressively through October?

Nope. I didn't receive any notification about this from Plusnet. Is this stopping me from using relay.plus.net? What do I use instead?

[#7]

Quote from: wyerd

Quote from: spraxyt Are you aware of the well-publicised change of spam and virus checking to Cloudmark (Plusnet look to the Clouds for Email Security Solution that took place progressively through October? Nope. I didn't receive any notification about this from Plusnet. Is this stopping me from using relay.plus.net? What do I use instead?

You might want to consider subscribing to our Service Status feed (see my sig).
You can still send via relay.plus.net but there's a possibility that our new outbound or inbound anti-spam appliances are now rejected the messages as spam.
I suppose you could configure PRTG to send via Gmail's SMTP server?
Perhaps you could PM me a full copy of one of your old emails (complete with headers)?
Alternatively try copying the contents of an old email you were able to send into a standalone email client and see if you can send that via our relay servers?

[#8]

Quote from: Bob

Perhaps you could PM me a full copy of one of your old emails (complete with headers)?

PM Sent

[#9]

Looks like it was a DNS issue my end with the server 
Mails are now routing through relay.plus.net .
Thanks.

[#10]

Glad to hear it's sorted!