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Re: [hylafax-users] email notifications not working, ISP blocking port 25?
So, I'm assuming that port 25 is being blocked by the ISP.
1. Is that a right assumption?
2. If it is, what can be done about it?
It's very easy to test if your ISP is blocking port 25.
telnet a.mx.mail.yahoo.com 25
If you see this:
Connected to a.mx.mail.yahoo.com.
Escape character is '^]'.
220 mta491.mail.mud.yahoo.com ESMTP YSmtp service ready
Connection closed by foreign host.
Then you're not being blocked. If it just hangs then it's being
blocked. If you see something else there that's not Yahoo-ish, then
your ISP is probably rerouting port 25 to their own equipment.
If port 25 is being blocked then you need to configure your system's MTA
to use the ISP's provided SMTP server as a "smart host" relay.
If port 25 is not being blocked then you may need to use
FROMADDR=your@xxxxxxxxxx in your FaxDispatch and FaxNotify. In fact,
you may need to do that anyway.
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