If you have feedback for TechNet Subscriber Support, thanks for that detailed response. Please remember to mark the replies as answers if they helped. The above process changes the mail server name to the name on the certificate and the hosts file will ensure that mail traffic to this server name will be correctly directed to your mail server. Edit Outlook account settings and change the incoming and outgoing mail server to .nz The entry you create in the hosts file should look something like this.Ħ.
Select All Files as the file types on the right.ĥ. Paste the path to the hosts file in File, Open dialog. To open the hosts file, search for Notepad on the Start menu, right click on it and choose Run as Administrator. The hosts file is in %windir%\system32\drivers\etc.Ĥ. Edit the hosts file and add a new line for IP address 111.222.111.222. View the certificate as above and note the server name under Issued To.Į.g. If you didn't ping your server for the IP address (or didn't make note of it), open a cmd prompt and ping your incoming mail server - e.g. If your host does not have a server name you can use to eliminate the error, you can get around this by following the steps below:ġ. If your mail provider supports other server names, the easiest fix is to change the server name. So, that's understandable as you are using a server that doesn't match the certificate. The error normally occurs when the server name does not match the name in your account settings. >I have specified the incoming mail server as, which, of course, doesn't match the certificate. I have other counter-measures at work to detect LAN resident malware. Within the LAN, traffic is secure enough. Mail traffic between MSA (Dovecot) and workstations is strictly within the LAN, so unless some spyware is active
In fact, this is the option I'm choosing. If Dovecot can handle two certs, I'm not awareĢ) The other option is to not do SSL/STARTTLS enryption from Outlook clients inside the office/LAN. Unfortunately for that idea, aside from the laborĪnd expense of getting another cert, is that the LAN MSA (Dovecot) is also an Internet MTA, so it fields connections from both the local LAN and the Internet and therefore does need the cert. Since Outlook will not permanently store the certificate exception like Thunderbird, I believe I have only two choices: 1) I can create another certificate for and use that for the local MSA. Unfortunately, changing the server name is doable, but would route traffic out to the Internet and through our ISP, whereas I'm wanting to keep all traffic between internal workstations and the internal mail server Perry, thanks for that detailed response. How can I get this Security Warning to STOP popping up when I start Outlook?
#Outlook avast certificate error mac
Outlook 2010, Thunderbird and Mac Mail all gave such a warning, but allowed the exception to be permanently stored so I didn't have to click the "'Yes' continue using this server" each time I started the email client.
However, I want all email to/from workstations to deal with the local Mail Submission Agent on our local mail server, and not get routed "outside" to the public domain. I have specified the incoming mail serverĪs, which, of course, doesn't match the certificate. The certificate is issues to the public domain name. I have specified STARTTLS for the incoming server connection. I do understand why it's giving me this message. Is there a way to NOT have this message come up? I click 'Yes' and Outlook comes up, but I have to click 'Yes' every time I start Outlook.
The dialog has buttons to 'View Certificate', "Do you want to continue using this server? 'Yes' / 'No'. Every time I start Outlook I get the message, "The server you are connected to is using a security certificate that cannot be verified.
#Outlook avast certificate error windows 10
I've just installed Office 365 on a new Windows 10 Pro computer in our office.
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