Knowledge Base
We are not offering 24/7 telephone support at this time, please open a
Support Ticket
knowledgebase
announcements
Search
search
Most Popular
Recently Added
Recently Updated
Troubleshooting
Top
::
unpublished
:
old mail articles
:
mail.his.com accounts
:
Troubleshooting
:
There are no subcategories.
Articles in Troubleshooting
Title
Updated
Views
Enable SMTP Authentication for iPhone/iPad
23 days ago
15692
Update account settings in Outlook 2016/2019
3 years ago
6966
How To View Received Email Headers
3 years ago
8500
Problem downloading messages via POP
3 years ago
4873
Certificate Domain Mismatch error when connecting to an HIS mail server
3 years ago
4895
Deleting a Certificate in Mac keychain access
3 years ago
12372
Troubleshooting Secure Certificate Issues in Email
3 years ago
8855
iPhone: Fix "Cannot Verify Server identity" for mail.his.com
3 years ago
5895
Trusting an updated certificate in Mac Mail or iPhone
3 years ago
5664
My email box is full. How do I empty it?
3 years ago
8806
Unable to Verify Account Name or Password on Mac
3 years ago
33770
Not receiving new mail: email account is offline in Mac Mail app
3 years ago
20645
ActiveSync: Outlook 2019: synch slow, or non-existent
3 years ago
4107
Fix: Outlook Emails Get Stuck in the Outbox
3 years ago
5031
Troubleshooting IMAP Folders Issues with IMAP and Outlook 2013 some Outlook 2016/365
3 years ago
16515
Workaround for: Outlook 2016 Adding an Exchange Account: Log onto Exchange ActiveSync mail server fails
3 years ago
24563
Rebooting Computer/Router to Update DNS after a Change of IP address
3 years ago
8409
MS Outlook >2007 Cannot verify Security Certificate warning
3 years ago
16551
Enable SMTP Authentication for Mac Mail OS X
3 years ago
7762
Mac Mail: Subscribe to IMAP Email folders
9 years ago
6576
(Showing 1-20 of 26)
Next>
>>