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osTicket v1.10 (stable) and Maintenance Release v1.9.15 are now available! Go get it now

Email Mailer Error

Hi all

Im running the following version of OSticket  v1.9.1

All seems OK - however we are seeing a mailer error when sending email - the email does send however - here are some of my settings


This is the error we are seeing when sending email - but like I said the email does send


Ive tried ticking and unticking the header spoof option - makes no difference


Im not sure if the following is correct but again tried changing and it makes no difference

imageAnyone have any ideas whats causing this - I think the error is related to spoofing but not 100%

Any advice would be great


  • 1.9.1 is pretty ancient, you should really upgrade and test again.

    According to your error message however the mail server is rejecting your email.
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