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I am using Interspire email marketer to send emails.

And I am using Mail Server Details to use my own SMTP server. For example in order to send the emails while my original server is something like

All I need is to check if mails are being sent from but in the headers of the emails I can see is ip and mail server of

Is there any way I check this please?

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Normally the receiving mail server will add a Received: header with IP and/or address of sending mail server. Be sure to send your test mail to some third party (that is, not to yourself at

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