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RE: [cobalt-users] MAIL/EXPN/VRFY/ETRN - Not localhost but all domains
- Subject: RE: [cobalt-users] MAIL/EXPN/VRFY/ETRN - Not localhost but all domains
- From: "Dan Kriwitsky" <list1@xxxxxxxxxxxxxxxxxxxx>
- Date: Tue Jul 8 08:40:56 2003
- List-id: Mailing list for users to share thoughts on Sun Cobalt products. <cobalt-users.list.cobalt.com>
>
> Is the ISP using some kind of blocking to prevent customers
> from sending via other SMTP?
>
> Customers are connecting through various ISP's such as
> Comcast, Cox and AOL. That is why I think it is either
> server related or a problem with my co-lo. It seems to work
> on an off and is not a constant problem.
>
Cox blocks port 25 so their users must use Cox SMTP servers only, unless
you use port forwarding so they can use another port number.
--
C2003 Dan Kriwitsky
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