I can't send any email messages in OJS 3.1.1.x

After upgrading OJS 3.1.0 to OJS 3.1.1.x the problem with email has come. Without email notification OJS in our journal is useless.

What should I do in order to fix the problem?

Hi @Andrzej,

Please see the troubleshooting suggestions in the PKP Administrator’s Guide.

Best,
Amanda Stevens
Public Knowledge Project Team