can't send emails S7 Edge and A40

[Speedbuggy]

For some reason emails do not send but I do recieve them this has been since yesterday

[AndrewL]

@Speedbuggy: Please can you confirm the model number and current Android version of the device you're accessing your emails on? Are you using the stock Samsung Email application? If you sign in to your email account via an internet browser, are you still able to send emails as you would normally? 

[Speedbuggy]

model sm-g935 android software version 8.0.0
and
model sm-a405fn android software version 10

I'm using samsung app on both devices

I can send emails using Gmail

[Speedbuggy]

Samsung SM-G935F Software 8.0.0
and
SM-A405FN version 10.

my email works over the internet and on other apps on these mobile devices e.g. gmail

[Speedbuggy]

this is still an issue 9 months from getting this phone