Hi Topliners!
My team and I have been having deliverability issues for a few months, and we've taken a lot of steps to fix it. We're working closely with ReturnPath to monitor our deliverability, and it seems that we're having trouble getting past Postini. Have any Eloqua users had any luck with this? I had a lengthy call with Eloqua support yesterday, which felt completely useless.
I had called to ask how to remove the Base64 encoding from an email to do some troubleshooting, and ended up spending an hour explaining Postini, IP warming, and everything else we've been working on with this. The person I spoke with didn't seem to have much information about it (although he was very nice and genuinely seemed like he wanted to help). His suggestion was to send some tests through Eloqua's deliverability tester (which just sends emails through Return Path, which is what I've been doing).
Here's what we've done so far:
1. Switched from Eloqua's shared IP address range to our own two dedicated IP addresses (we have two very different brands, so we have one IP for each)
2. Had a month long IP warming process, where we gradually increased the percentage of our lists that received emails from the new IP address
3. Sent 5-10 emails through ReturnPath per week to monitor their deliverability, with almost all of them passing 89% of spam filters (Postini is the only one we're still having trouble with)
4. Looked at email headers using Postini header analyzer with very inconclusive results (basically, it's telling us that we're failing the filter but not giving clear information on why)
5) At our ReturnPath rep's suggestion, sent some tests with the Base64 encoding removed (which is yielding the same 89% Spam filter pass rate).
This is getting frustrating! Anyone have any advice/suggestions?