wp_mail() subject is empty if we try use symbol |

[Jek-fdrv]

Try this:

wp_mail('test@gmail.com', 'sometest | for subject', '123');

The subject in received email will be empty.

[desrosj]

Hi @Jek-fdrv,

Were you able to figure out the cause of this issue? Sharing may help someone in the future experiencing a similar problem.