Emails to iCloud Addresses Failing Again

Ldjz on 02/01/2025 - 06:48

Sadly emails to iCloud hosted mail accounts seem to have started failing again. It seems to happen every couple of weeks and I can only tell when I fail to receive emails from OZB.

Is there anything that you can do to stop Apple blocking your OzB email servers? Could it have something to do with your mail server settings and having setup correctly your SPF, DKIM, and DMARC to authenticate your email?

Given the volume of emails you send I would imagine your email server settings have to be perfect not to be labelled as a spammer.

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Comments

  • scotty on 02/01/2025 - 07:51
    +1

    SPF, DKIM, and DMARC

    All done, for many years.

    We have also been very rarely blocked by Gmail, one of the biggest email services. The issue with iCloud seems to be IP block related, as they have been asking for our service provider (BinaryLane) to contact them. It's possible that they would block the entire subnet if one IP is rogue. There's also no postmaster interface for us to check or validate our IP address.

    • RevolverUpstairs on 02/01/2025 - 11:50

      Hey Scotty, icloud utilises Proofpoint as their IP Reputational manager, I ran a check on your IP ending in .193 and it all seems fine. Link to Proofpoint check: https://ipcheck.proofpoint.com/

      • scotty on 02/01/2025 - 21:47

        iCloud Mail Postmaster works in some mystical ways and I don't think that reputation manager is the only thing they use.

        Anyway, after having BinaryLane contacting iCloud Mail this afternoon, emails to icloud.com's server are flowing again after around 5:40PM AEDT. Looks like it's resolved, for now.

  • Bambalam on 12/01/2025 - 18:35
    +1

    Looks like it's failing again as of 12/1/2025.

  • scotty on 13/01/2025 - 14:54

    After a bit of back and forth between iCloud, BinaryLane and us, it turns out that iCloud classified our daily newsletter as "spams" and blocked our email server as we sent thousands of those to iCloud email addresses each morning.

    BinaryLane is still relaying our explanation to iCloud (all newsletter subscribers are 2-step opt-in, we've been sending at this volume for years, etc). However for now I'll strongly discourage using icloud.com / mac.com / me.com email addresses on OzBargain. iCloud Postmaster has repeatedly blocked us and is just a pain to deal with.

    • nahi11 on 15/01/2025 - 15:54

      I think ozbargain should ship for some bargains at tier 1 hosts and Google ads.

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