Sender name appears in single quotes (mail header)

[Jan]

Hello,

I use The Newsletter Plugin on two independent WordPress installations – both with the same small issue:

In emails sent by TNP, the sender name appears with straight single quotes:

'Website Name' <sender@example.com>

The quotes were not entered manually in the sender settings.

Is there a way to prevent the quotes from being added or displayed?

Thank you.

[Author]

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