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Fix an SBC Yahoo outgoing email issue with .Mac
Did this actually work for you? I was told to this initially, but it didn't actually work. The only solution to the problem was to call back repeatedly until they escalated the issue and let me talk to a network guy who removed the block in about 30 seconds.
Fix an SBC Yahoo outgoing email issue with .Mac
On the contrary, port 25 filtering is a very effective spam prevention measure and I applaud any ISP who does this. It's most important for dialup connections, but mail servers shouldn't be run on dynamically assigned IP addresses whether they're dialup, DSL, cable modem, or whatever. About four years ago Earthlink rolled out port 25 filtering for all our dialup accounts. I was working in their network abuse department at the time, and my group was the driving force behind getting this change implemented. We were one of the first ISPs to do this nationwide and it had a HUGE effect on the number of spammers abusing our service. We saw numerous professional spammers -- people who would sign up 20 - 30 accounts per day with stolen credit cards and spam until we found and killed the account an hour or two later -- just disappear. See, with the port 25 filtering, they could no longer use open relays overseas or on cable modems, etc, from our service. The only way to send mail from one of our dialups was to do it through our mail servers where we would notice spam immediately. So they left and went to ISPs it was easier to spam from. The other obvious benefit is that clueless users who set up insecure mail servers on their cable modems or whatever cannot be abused by spammers. I'm sympathetic to the argument that stuff like this breaks the end-to-end nature of the internet, but we have to change with the times, and if people (ie, spammers; I use the term "people" loosely) are going to be assholes we have to take steps to stop them. The alternative will cause the internet to decrease in usefulness for everyone as opposed to the relatively few people with the legitimate need to send mail thorugh other SMTP servers.
Fix an SBC Yahoo outgoing email issue with .Mac
Blocking outgoing email on port 25 does nothing for the Macintosh user.
Fix an SBC Yahoo outgoing email issue with .Mac
Port 25 filtering is not meant to benefit end users directly, it's meant to inconvenience spammers and keep them from abusing the networks of the ISPs implementing the filter. The indirect benefit that end users get, regardless of OS they're using, is that is makes things harder for spammers, and therefore causes less spam to be sent out. I can assure you, widespread port 25 filtering put a serious crimp in spammers' activities.
Fix an SBC Yahoo outgoing email issue with .Mac
Will switching to port 587 work for other ISPs or just .mac?
Fix an SBC Yahoo outgoing email issue with .Mac
It *might* work with other ISPs. Not all providers are enlightened enough to provide the alternative mail port. If you have a good one, it will. Try it. A fast way is to open the terminal and "telnet your.mail.server 587". If you get a connect message, you know your provider supports it.
Fix an SBC Yahoo outgoing email issue with .Mac
It *might* work with other ISPs. Not all providers are enlightened enough to provide the alternative mail port. If you have a good one, it will. Try it. A fast way is to open the terminal and "telnet your.mail.server 587". If you get a connect message, you know your provider supports it. |
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