emails are only coming through to phone when wifi is off

bit of a strange one.after updating the yahoo mail app my emails stopped coming through to my phone (samsung galaxy a3).they are now coming through.but only when the internet is off or i am away from any wifi.as soon as i put my house wifi on my emails wont come through and i cant open existing emails.help.

Show Accepted Answer

Guest Quick Reply (No URL, BBcode or HTML)

Last post by vlang
2 hours ago
Last post by lucious.brekke
4 hours ago
Last post by kavon14
3 hours ago
[Q]
Started by bfeest
Last post by ondricka.emely
2 hours ago
Last post by wiegand.ivy
26 minutes ago
Last post by lonzo.kertzmann
25 minutes ago
Last post by coberbrunner
1 hour ago
Last post by stoltenberg.gracie
3 hours ago
Last post by kelli.miller
4 hours ago
Last post by zakary.gerhold
25 minutes ago