Re: [otrs] Couldn't send mail: 550 5.7.1 Client does not have permissions to send as this sender

Zemánek Jiří schrieb:

OK, I changed both sender e-mail addresses for the system to outsourcing@oksystem.impl mailto:outsourcing@oksystem.impl

but it´s still not working.

Well, I cannot find host oksystem.impl, so maybe that's the problem? Is it a valid mail address? Can you send to that mail address, and receive mails there, when using your usual mail client? Susan