Can not send personal emails from 7.10.19 LTS

SuiteCRM Forum - English Language Installation & Upgrade Help
1

Upgraded to 7.10.19 LTS and now I can not send personal emails anymore
Log says:
Mon Aug 5 12:01:51 2019 [5559][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Mon Aug 5 12:01:51 2019 [5559][1][ERROR] ImapHandler trying to use a non valid resource stream.
Mon Aug 5 12:01:51 2019 [5559][1][ERROR] ImapHandler trying to use a non valid resource stream.
Mon Aug 5 12:01:51 2019 [5559][1][ERROR] ImapHandler trying to use a non valid resource stream.
Mon Aug 5 12:02:51 2019 [5559][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Mon Aug 5 12:02:51 2019 [5559][1][ERROR] ImapHandler trying to use a non valid resource stream.
Mon Aug 5 12:02:51 2019 [5559][1][ERROR] ImapHandler trying to use a non valid resource stream.
Mon Aug 5 12:02:51 2019 [5559][1][ERROR] ImapHandler trying to use a non valid resource stream.
Mon Aug 5 12:02:51 2019 [5559][1][ERROR] ImapHandler trying to use a non valid resource stream.
Any ideas what this is about?

2

Can you try to reconfigure mailbox? sometimes that helps to fix such issue.