Gmail sending warnings? Add a DNS SPF record to resolve.

Please read further if the errors you're getting when trying to send to Gmail users look like this, or one stating Gmail couldn't verify the email came from your domain name:       ⚠️Be careful with this message... host[] said:550-5.7.1 [ 12] Our system has detected that this messageis ... Read More »

8th Jun 2022
Authentication issue affecting some users *resolved*

We experienced an issue for some customers for up to 45 minutes this morning that is now resolved. If you are still experiencing any issues, please restart (shutdown and restart) your affected devices. The issue caused some customers not to be able to authenticate to their mailboxes. The underlying mail systems were operational, so no mail was ... Read More »

31st May 2022
Google requiring authentication to send email to Gmail users

What's changed?   Google, which runs Gmail among other email services, has started more often requiring senders to add "authentication" to the DNS entries for their domains, per: <>   Why can't Cloudiance add "authentication" for ... Read More »

1st Mar 2022
Response to prospective webmail client vulnerability in the news

We are working with Zimbra to identify the best method to expediently mitigate the issues raised by the recent report (see references below). This includes applying a patch this coming weekend to our affected systems. In the meantime, as Zimbra webmail client users, you're safe from this attack as long as you don't click on a link from an ... Read More »

4th Feb 2022
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