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Re: [cobalt-users] OT: ISP's and Port 25 blocks
- Subject: Re: [cobalt-users] OT: ISP's and Port 25 blocks
- From: "cbtrussell" <cbtrussell@xxxxxxxxxxx>
- Date: Fri May 23 05:22:56 2003
- List-id: Mailing list for users to share thoughts on Sun Cobalt products. <cobalt-users.list.cobalt.com>
> We're looking for a solution to this - obviously we need to keep port
> 25 active on our servers in order to receive mail from outside sources
> (correct me if I'm wrong, but please don't flame).....but there must be
> an alternative to this - perhaps mapping the smtp port to an unused
> port?
I feel your pain. Blocking port 25 is such a lame 'anti-spam' technique. But
it can be a blessing in disguise.
Utilizing an alternative port is one approach.... but by far the easiest
solution is to have your clients use their ISP's SMTP server for outgoing
mail. They will continue to set their POP account to your server. Earthlink
is particularly bad about this, among others.
Brandon