I can't send e-mail on roundcube. With other browser is ok

[Rodx]

Help, I only receive e-mails, but I can’t send one.
How can I solve this?
With Edge is ok…

Tnks

[ItzMeRajat]

Go to that website, then click on the Lion Icon on top right and switch it off.

See if that works

[fanboynz]

If you disable “ads and trackers” in the shields, does it help? @Rodx