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n5bb · 18 Feb 2017, 02:23 PM

Thanks for finding that! I just tested this and here is what I found:

If you can set the SMTP port to port 565 in your email client, both the IP address and User-Agent headers are not inserted in the headers.

Some clients may not allow that port to be used. I just checked and it works great in Thunderbird.

Bill

18 Feb 2017, 02:23 PM	#5
n5bb Intergalactic Postmaster Join Date: May 2004 Location: Irving, Texas Posts: 8,929	Thanks for finding that! I just tested this and here is what I found: If you can set the SMTP port to port 565 in your email client, both the IP address and User-Agent headers are not inserted in the headers. Some clients may not allow that port to be used. I just checked and it works great in Thunderbird. Bill