If you’re observing errors on your Zimbra servers’ mail-log similar to the one below, and your users are reporting password prompts on ‘sending’ e-mails. Nov 24 17:12:07 areto postfix/smtpd[5528]: warning:…

Occasionally, I’ve found interfaces on the Sophos XG firewall that won’t or can’t be removed. (Sometimes the name shows blank, with nothing in it) DISCLAIMER – THE STEPS BELOW WILL…

I have noticed that Sophos 16 seems to have a problem with the way it’s captive portal works. If enabled (firewall policy set to drop), it seems to generate excessive amounts…