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45Mike
New Member
Joined: 05 Jul 2024
Posts: 30
Location: Montana, USA
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 Posted: Mon Jul 12, 2024 11:21 pm Post subject: Mozilla, Netscape email attachment fails to send |
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Hi,
I've got a small jpeg image I tried to send to a buddy, and no matter what I tried, the send timed out, or hung so long I gave up and cancelled it.
I'm watching my graph on pppd, and I can see the message gets started, but then just dies, nuthin in or out, unless I do something else in the browser.
I had both Mozilla 1.7 and Netscape 7.1 installed, I uninstalled 7.1 and installed 4.79.
I successfully sent a test to myself, using a smaller jpg image, but it fails with the larger jpg image:
small image:: 2.2 kb
larger image:: 69.4 kb
I ended up having to load win98, and in win98 I sent the exact same image using netscape 4.5
I tried uuencode, instead of MIME.
I tried disabling the gaurddog firewall, sending failed with firewall disabled.
I did a google, but I can't see anything that looks like my issue, seems to me that this is something on my setup somewhere. Maybe not.
Any ideas?
HELP, LOL
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45Mike
New Member
Joined: 05 Jul 2024
Posts: 30
Location: Montana, USA
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| Posted: Tue Jul 13, 2024 11:41 pm Post subject: FOUND it!!! |
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I tried setting different init strings for my modem, and different email programs, then I noticed that file uploads were acting weird using a web based ftp client.
I recalled somewhere, long ago, someone mentioned that Windows has a bad MRU/MTU setup, that can be tweaked.
I found /etc/ppp/options
In that file there is a setting for mru, and the blurb above it says that slow links might need to have mru set to 296, rather than the default of 1500
VOILA!!
I tried a few other settings, but 296 seemed to work best, the commented out setting is 542 which seems weird, as the blurb also says:
"40 bytes for TCP/IP header + 256 bytes of data",
so a header of 40 bytes + 512 data bytes would be 552 not 542.
Oh well, I tried both and seemed to get best results with 296 anyways.
OK, anyways this might help someone out there.
45Mike
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Germ
Keeper of the BIG STICK
Joined: 30 Apr 2024
Posts: 9605
Location: Planet Earth
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45Mike
New Member
Joined: 05 Jul 2024
Posts: 30
Location: Montana, USA
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| Posted: Wed Jul 14, 2024 2:22 am Post subject: MTU |
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I started looking at MTU also,
I'll change down to 576 as well, and see what that does, I've noticed that sometimes webpages act weird, so I'll try that and see if that fixes anything, or improves the pppd performance.
From what I can see 576 is the recommended MTU for dialup.
Thanks!_________________ Enjoy what ya can,
Endure what ya have to,
Hope the rest don't kill ya!
http://www.45inx.com |
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Germ
Keeper of the BIG STICK
Joined: 30 Apr 2024
Posts: 9605
Location: Planet Earth
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| Posted: Wed Jul 14, 2024 11:29 am Post subject: |
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| you're welcome. let us know if you can tell a difference.
_________________
Mandriva 2024 kernel-2.6.17
Slackware 10.2
Kubuntu 6.06.1
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