Jack Fischer

There are numerous plugins for emailing or otherwise notifying administrators when users log into WordPress. However, this is not desirable for installations with hundreds or thousands of users. Admin Login Monitor provides more managable email alerts, just for administrator accounts.
Example alert email,
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Hello Alice,
The account ‘bob’ just logged into example.com
User Login ‘bob’ 
User Display Name ‘Bob’ 
User Email bob@example.com 
User ID ‘8’ 
User Registered 2019-08-25 19:33:18
Forwarded IP Address 96.224.58.71 (HTTP_X_FORWARDED_FOR) 
Connected IP Address 96.224.58.71 (possibly a CDN or proxy)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Safari/605.1.15
This notification is generated by the WordPress Admin Login Monitor plugin installed on example.com 
 `
For convenience investigating IP addresses, email notifications link to Ipinfo.io (https://ipinfo.io/). 
Ipinfo.io Terms of Service: https://ipinfo.io/terms-of-service 
Ipinfo.io Privacy Policy: https://ipinfo.io/privacy-policy

Admin Login Monitor

Email site administrators about all administrator logins.

Stephen Harris

This plug-in will only work on a Multisite running WordPress 3.9+.
This plug-in allows an Network Admin to create admin notices that appear on the top of all admin screens of the 
network’s sites. This notices are styled identically to the “normal” WordPress notices that you might see (WordPress 
updates, “post published” messages etc). Additionally each notice has a “dismiss” link which allows the user to 
instantly dismiss the notice.
Once a user dismisses a notice there will never again see that notice, on any of the network’s site.
Health Warning: The notice messages are considered HTML! A “small” inline tinyMCE editor will be used in a 
future update. But for the time being be aware that when you create/edit notices you are editing HTML (think WordPress 
‘text’ tab on the editor).
Before using the support forums, please read the FAQ. Thank you!

Multisite Admin Notices

Allows a network admin to create admin notices for blog admins.

Admin Login Monitor vs Multisite Admin Notices