I don't know that that's true all over the world. And it's certainly not true of my iPhone.
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10 years ago
OT Sending and Receiving Emails
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10 years ago
It used to work.
Unfortunately, spammers and malware (especially spamming malware) used to pump a fuckload of their junk out directly to port 25 on anything that'd listen. So now damn near every SMTP server will refuse to accept mail from any dynamically allocated IP address.
Seriously, even on a lighter business-grade ADSL line, it's pointless attempting to do anything but route outward-bound email through a fixed smart relay at your ISP or A.N.Other mail provider. It WILL be rejected by recipients.
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10 years ago
Spam being sent by zombie PCs. So many PCs were originating spam that ISPs decided that their clients should not be allowed to originate email.
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10 years ago
IMO, you have this back to front.
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10 years ago
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10 years ago
Yep. Millions of zombie PCs, all able to send mail directly? if you weren't able to use RBL's for the user-space IP ranges, it's be a nightmare. See also the fact that some ISPs are blocking SMTP out from their customer addresses, unless it's directed to their SMTP server, which you then have to authenticate to.
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10 years ago
Because the way it's organised now allows you to turn on your computer, send a mail, and turn it off again. You delegate this work to someone else, including the retries because the remote ISP is offline.
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10 years ago
Thank you all for your replies, I now undestand a lot more than I did!
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10 years ago
En el artículo , Tim Watts escribió:
Yes, it'll work if the ISP permits outgoing port 25, but no self- respecting ISP would allow that. As another poster pointed out, it would leave the internet wide open to mass spamming by infected/botnetted PCs.
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10 years ago
and 'silliness' rejecting mail from arbitrary private senders.
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10 years ago
however you can rent a VM and be that a.n.other yourself.
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10 years ago
All of them do. Allow that.
As another poster pointed out, it
It does, which is why most mail targets routinely reject any conversation emanating from those iP addresses...
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10 years ago
No, quite a few do/did block 25 outgoing.
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10 years ago
On Thursday 13 February 2014 09:02 Adrian wrote in uk.d-i-y:
The latter is not actually true - I've been running a mail server forver (until last year) off a server on ADSL.
Now that particular function is on a Linode server.
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10 years ago
On Thursday 13 February 2014 11:42 Mike Tomlinson wrote in uk.d-i-y:
AA do.
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10 years ago
I suspect that AA's customers are not run-of-the-mill Wintendo drivers.
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10 years ago
bit hard to use their mail relay then.
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10 years ago
IF you have a static IP address with a proper reverse lookup on it, you have a chance.
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10 years ago
On Thursday 13 February 2014 13:25 The Natural Philosopher wrote in uk.d-i-y:
Indeed I do - and I do agree that is a reasonable prerequiste.
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10 years ago
On Thursday 13 February 2014 13:12 Huge wrote in uk.d-i-y:
That's the other reason I like AA - my IP range is not mixed up in a netblock full of retards...