[NTLUG:Discuss] ISPs are blocking outbound port 25!!

[Jim Wildman]

You don't have to use their email address.  At least not with
earthlink/mindspring.  Just put smtp.earthlink.net in as the smart
host for relaying and off you go..

Of course this means that occassionally they misconfigure a server
and it gets blackholed because it it an open relay...

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Jim Wildman                                            jim at rossberry.com

On Fri, 5 Oct 2001, Richard Geoffrion wrote:

> Products used:
> Qmail 1.03
> Any remote SMTP client with blocked port 25
>
> Issue:
> After the microSOFT LoveBug virus came out many ISPs such as bigplanet and
> mindspring started blocking outbound access to port 25.  These ISPs force
> you to use THEIR mail servers using the email address provided by THEM.
> Presumably they do this to be able to filter and scrub outbound email.