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Oliver Thylmann
happy I’m confident

Experience with whitelisting on Messagelabs.

Do you have any idea on how to get whitelisted by Messagelabs? Some of their customers have us in their Spamfilter.

The message we are getting back:

553 Message filtered. Please see the FAQs section on spam at http://www.messagelabs.com/support/ for more information. (#5.7.1)

If you search the net for the #5.7.1 and messagelabs you will get a lot of enraged people that are (as we) clearing the Messagelabs tests from the FAQ with flying colors but are still flagged as Spam. This is a corporate tool none the less and this means we have problems communicating with some customers.

We by now know that this is due to our url as soon as it is clickable in the mail being marked as spam. This might be because we are listed at URLBlacklist.com as "Ads". Being an Ad Network that's correct. We are not sending newsletters as Ads though but this is just used to communicate with customers.

Now they can one by one move us to their whitelist by flagging us as not spam several times but that can't be it.

Any other ideas? Anything else Sendgrid can do?
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  • Gianfranco Palumbo
    sad I’m frustrated
    Same problem here.
    Have you find any solution?
    Our problem is that 1/6 emails are being bounced with the same error.

    And this are not in https://spammanager-5.messagelabs.com
    so we can whitelist the domain...

    any suggestions?
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  • Brent Terrazas
    Messagelabs is notorious for being strict (and rightfully so).

    Here's my advice because it seems like u both are hitting these two main immediate red flags of theirs:

    (taken from their rules):
    "Ensure the email you are sending does not contain any spam content (ie. forwarded spam or ‘spamvertised’ URL’s)."

    - Use a different domain for your actual urls that are posted INSIDE the email. ie. fresh ones. They usually only get blacklisted when you've used them to send previously, in which case you're permanently on their list.

    (once again taken from their rules):
    "Dynamic/Generic IP/rDNS address, use your ISPs mail server or get rDNS set to indicate static assignment."

    To get by that one you're gonna have to go through the entire process to map their unique ip and domain (which hasn't already been blacklisted) together.
    http://sendgrid.com/documentation/dis...

    Essentially you are going to need to add a few items in the dns entries for the domain to show up as legit with an SPF record, DomainKeys + DKIM... it's easy if you've ever had to do any dns entries before, if not just follow the link i pasted above.

    Btw, URLBlacklist.com - yeah, what did u expect? Just go out and pay for a clean domain that isn't already on a list. They all share/sync em. Let me know if that doesn't help.
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  • Gianfranco Palumbo
    Thanks but when you talk about map an ip to domain that's a DNS server or your web host job.

    I think you are might be confusing White-labelling with White-listing.

    Also now our ip is yellow for Hotmail... The ip is SendGrid dedicated ip for us (i think).

    Sorry I'm going out of topic but Does anyone one know how to deal with this?
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  • Brent Terrazas
    yeah but you need to map the sendgrid IP to your chosen domain via a dns entry.....which you would have to do via your registar/dns server or have someone do for you (if you don' know how).

    it's more than just one entry btw. are u sure u have the a record for rdns as well as the appropriate cname entry?

    Going back to what i said earlier as well: "Ensure the email you are sending does not contain any spam content (ie. forwarded spam or ‘spamvertised’ URL’s)." <--- that has to do with the content of the email. so if it still sees your domain name that was previously blocked or even yellow it flags it.
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  • Gianfranco Palumbo
    not before. Just now after a month using SendGrid.
    I don't understand 100%.

    I've done the white-labelling wizard and everything seems fine, but some hotmail and message labs emails go directly into spam.

    Our emails are marketing research, specifically surveys to third-party customers.
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