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Port 587 (submission) is better
Authored by: peertimo on Dec 31, '04 05:58:03AM

This does not solve the problem of the ISP blocking port 25 for SMTP. All this solves is having my server answer mail calls on port 2525 or 587. Once my mail server, Postfix, receives the mail, it has to send it out. This still goes through port 25, and as such is blocked by my ISP. What I need to configure is the way Postfix sends the mail out, so that I can fool the ISP and use another port, which is open, to actually send the mail out. The reason I want to do this is the size limitation of my ISPĀ“s outgoing mail server, 10 MB. Postfix will handle larger mails.

Any suggestions?

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Mount .DMG images remotely via the Terminal
Authored by: david-bo on May 23, '05 06:23:37PM

In earlier versions of Mac OS X (10.2?) you could simply

% open disk://host.tld/image.dmg

but doesn't work anymore, Any ideas why?


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Change the SMTP-port
Authored by: david-bo on May 25, '05 02:32:26PM

Sorry for this. Stupd autofill function in Mozilla:-(

Anyway, what you asked for can't be done. It would require that you could change the configuration of the receiving SMTP-server.


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Port 587 (submission) is better
Authored by: graffixjones on Apr 11, '06 01:23:35PM

Well, I know this is a waaaay old thread, but I thought I'd offer my $.02.

My ISP (sbc yahoo) offers an 'opt out' method for the port 25 filter, so if anybody is using SBC Yahoo DSL and wishes to have the port 25 filter removed (to be able to use their own network mail server) just go to the link below, and use the 'Port 25 opt out' option in the pop-up.

Hope that helps somebody... as you can see I'm currently in the same situation, and I just filled out the form and hopefully the filter will be lifted within a day or two.

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