Overview
What is Check and Send?
Thundebird extension that shows an alert and confirms whenever you send a message
In depth
A closer look at Check and Send
Check and Send will check the message contents and addresses before you send the message
Verdict
Should you download Check and Send?
Check and Send runs on
Windows 9X/ME/2K/XP/2003/Windows 10/11
and is available under the
Freeware
license
— the installer is 28 KB.
We’ve catalogued it under
E-Mail Tools.
✓
Verified clean. Every Check and Send build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
Check and Send specifications
- Last updated
- Nov 27, 2025
- License
- Freeware
- Operating system
- Windows 9X/ME/2K/XP/2003/Windows 10/11
- File size
- 28 KB
- Price
- Free
- Page views
- 457
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