problems sending a newsletter to gmail addresses.

I am sending out a newsletter to 25000 completely opt-in email addresses and have recently started doing it fomr my desktop as the web host .did not iike it. Whilst this mainly works fine the mais do nopt arrive at gmail addresses and a couple of others. I suspect it is becalse the originating IP address is different fomr thwe domain name (theecologist.org)

does his seem likely and if so is there anything I can do.
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tomandrewsAsked:
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grbladesCommented:
theecologist.org has no SPF records in the DNS so any server effectivly has permission to send mail from that domain name.

What I suspect is your problem is that you have a dynamic IP address (not fixed) and this is on a database of dynamic addresses and mail from these is often blocked by many mail servers.
The only thing you can go is get a mail account from another provider and send it through them. If you use SMTP AUTH it will allow you to relay email through them.
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tomandrewsAuthor Commented:
Many thanks for your response.

 I actually do have a static IP address which I assume is not barred.  The SPF issue may be what is wrong though so would like to address that.  Is that something I can do? If so, how do i go about that?

Sorry all quite new to the mysteries of DNS.
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grbladesCommented:
As there is no SPF entry then by default everything is allowed so that does not matter.

You could try sending me a copy of the newsletter at test@cdlive.co.uk
Its an address I have for testing the new quite strict spamfilter I will be putting live shortly. I will then let you know what it finds suspicious which might give some more clues.
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tomandrewsAuthor Commented:
Have sent one now. It's from The Ecologist
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grbladesCommented:
It looks fine to me :-

X-lgdeltd-MailScanner-SpamCheck: not spam,
SpamAssassin (not cached, score=1.121, required 5,
BAYES_40 -0.01,
HTML_50_60 0.13,
HTML_MESSAGE 0.00,
SARE_MILLIONSOF 0.32,
SARE_MONEYTERMS 0.68)

Only the SARE rules gave it any significant score but the total was way below the required score of 5 for it to be classed as spam. None of the RBL or URI checks matched which is the important thing.
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grbladesCommented:
You could perhaps publish a SPF record for your domain which may make google decide that your host is allowed to send mail for the domain which may give it a slightly better non-spam score and cause it to be accepted.

Add a TXT record for theecologist.org with the text as "v=spf1 ip4:84.12.90.118 -all"
This will allow only your computer to send mails on behalf of that domain. If anything else needs to send mail on that behalf it will need to be added aswell

I just noticed the mail you sent came from @3den.co.uk?
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tomandrewsAuthor Commented:
Thanks you VERY much for you help.
It seems to work fine now and we really appreciate it.
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