Looking on the internet deeply has found these results:

sent via email is the most popular phrase on the web.

sent on email 183,100 results on the web	sent via email 120,400,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Copy sent emails into KMail's %1 folder Error copying sent email to KMail %1 folder You sent my email on to D.C.? The one who sent email about Annalisa Mancin. This was sent by email on 21 October 2005, registered as received by the Commission on 24 October 2005 (TREN/A(05)27067). By letter dated 24 August 2015 and email sent on 26 August 2015, Starbucks partially submitted the information requested by the Commission in its letter of 5 August 2015. By letter dated 10 September 2015 and email sent on 11 September 2015, Starbucks submitted the remaining information to the Commission. I've sent emails, I just... get no response.	I've also sent this via email. You should look for something arriving via email. Send a new invitation via email... Now, banks would never ask for sensitive information like that via email. No. I did most of the negotiation via email. You should look for something arriving via email. Click this button to send a new invitation via email. Gooseberry owned a patent for the creation and distribution of news releases via email.

sent on email

183,100 results on the web

sent via email

120,400,000 results on the web

More popular!

Copy sent emails into KMail's %1 folder
Error copying sent email to KMail %1 folder
You sent my email on to D.C.?
The one who sent email about Annalisa Mancin.
This was sent by email on 21 October 2005, registered as received by the Commission on 24 October 2005 (TREN/A(05)27067).
By letter dated 24 August 2015 and email sent on 26 August 2015, Starbucks partially submitted the information requested by the Commission in its letter of 5 August 2015.
By letter dated 10 September 2015 and email sent on 11 September 2015, Starbucks submitted the remaining information to the Commission.
I've sent emails, I just... get no response.

I've also sent this via email.
You should look for something arriving via email.
Send a new invitation via email...
Now, banks would never ask for sensitive information like that via email.
No. I did most of the negotiation via email.
You should look for something arriving via email.
Click this button to send a new invitation via email.
Gooseberry owned a patent for the creation and distribution of news releases via email.