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FastMail Forum All posts relating to FastMail.FM should go here: suggestions, comments, requests for help, complaints, technical issues etc. |
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14 Sep 2019, 12:51 PM | #1 |
Member
Join Date: Dec 2007
Posts: 80
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Emails sent through Fastmail never reach recipients
I'm opening a new thread because I had a similar issue to another user here, and didn't want to hijack their thread.
Initial post on other thread: Having the same issue as of a couple days ago. Using a custom domain and suddenly everything from Fastmail is being snagged by a couple email providers as spam. Even simple messages. Only way I was able to find out was to send an email to my work address (I'm the email admin there), and sure enough, Microsoft grabbed it before it even got to my inbox. Fastmail is saying contact Microsoft (because their spam codes are proprietary), Microsoft says contact Fastmail. Grrrrr. Course, it's not just happening with MS recipients. It's happening with a bunch of different recipients. MS was just an example. Update for this thread, after I was asked more details: I have a custom domain where Fastmail manages the DNS and sends mail directly as my domain. My wife and I were set up as a "family" with that domain. As of a couple days ago, a number of email systems started snagging any emails either of us sent as spam. She uses the Fastmail app on her phone, I generally use the Fastmail web app on a computer. My wife was the first one who noticed it. A few people were not getting her emails. With the start of the school year, this was an urgent matter. I tried sending an email from my own account. It didn't get through either to the recipients. Tried sending to my work (where I administer our Office365) and that's how I noticed it was getting snagged by MS and put into quarantine. I figured that's what was happening on other systems as well. I sent a copy of the headers to Fastmail to see if they could figure out why the emails were being seen as spam. They said contact Microsoft because only they could make sense of the spam headers MS put in the message. I contacted MS. They said it had nothing to do with them (sure, sure). I've escalated it, but not hopeful. In the meantime, I have moved off Fastmail after 15-20 years, and moved to my web hosting account's web service for this domain. Surprise, surprise, suddenly any emails I send get through just fine to my work email, where ALL of them were getting snagged before - simple emails, complex emails. ALL snagged before. Now ALL are going through now that I've moved my DNS and custom domain over to my web hosting service (MDD Hosting). Had to have been something with Fastmail, unfortunately. It was a good run, but if they can't go the extra half mile to help look a little deeper, I guess it's time to move on. Not sure to what. I loved the web aggregation of all my email accounts and not sure what to do now. My wife was only using the custom domain, no other accounts. So I've set her up with Outlook app connected via IMAP to the new mail server. For me, I'm not looking forward to going back to IMAP access for all my accounts (three custom domains + gmail), although I do have fewer than I used to so maybe it won't be quite as painful. Last edited by benaboo : 14 Sep 2019 at 12:58 PM. |
14 Sep 2019, 12:54 PM | #2 |
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Join Date: Dec 2007
Posts: 80
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It was the first thing I checked - DKIM and SPF were fine. The Fastmail support rep said "DNS looked fine." I wasn't using DMARC.
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14 Sep 2019, 03:27 PM | #3 | |
The "e" in e-mail
Join Date: Jul 2002
Location: VK4
Posts: 3,029
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Quote:
I think possibly it is customers who use MS outlook that has the problem but us using our own domain. |
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15 Sep 2019, 04:22 AM | #4 | |
Member
Join Date: Dec 2007
Posts: 80
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Quote:
Asking people to whitelist is unacceptable, especially since I now know it can be prevented. I have to be able to rely on my email to get through to people when I need it to, you know? So infuriating. |
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15 Sep 2019, 06:11 AM | #5 |
The "e" in e-mail
Join Date: Jul 2002
Location: VK4
Posts: 3,029
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Yea its strange, perhaps something in the headers.
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15 Sep 2019, 07:56 AM | #6 |
Member
Join Date: Dec 2007
Posts: 80
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Whatever it is, Fastmail seems ultimately uninterested in trying to determine what the issue is. In an ideal world, MS would be able to tell me what specific things caused the message to be flagged, but we're going on 48 hours now with no answer from them. You'd think Fastmail would be concerned that a legitimate email sender sending a legitimate email through their system isn't being delivered to its designated recipients, but they don't seem to care either.
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15 Sep 2019, 08:00 AM | #7 | |
Member
Join Date: Dec 2007
Posts: 80
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I don't know enough to know if this is relevant. When I did an mxtoolbox check at the time I was configured to use Fastmail, there were a few warnings about DMARC, which I don't think is an issue, but there was this:
smtp - in1-smtp.messagingengine.com - Reverse DNS does not match SMTP Banner smtp - in1-smtp-messagingengine.com - Warning - Does not support TLS smtp - in1-smtp-messagingengine.com - 15.578 seconds - Not good! on Transaction time Is the first warning relevant? I know the second two might not be. EDIT: Did a little more digging. I wonder if that could be the cause? https://blog.mxtoolbox.com/2010/03/2...agnostic-tool/ Quote:
Now that I've moved to my own email hosting and off Fastmail, I do not see any of these errors... and my email is once again being delivered properly. Last edited by benaboo : 15 Sep 2019 at 10:45 AM. Reason: clarity |
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15 Sep 2019, 09:08 AM | #8 | |
The "e" in e-mail
Join Date: Sep 2004
Location: The Netherlands
Posts: 2,908
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Quote:
Isn't it in1-smtp.messagingengine.com? |
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15 Sep 2019, 10:45 AM | #9 |
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Join Date: Dec 2007
Posts: 80
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15 Sep 2019, 12:40 PM | #10 |
Master of the @
Join Date: Feb 2017
Location: USA
Posts: 1,751
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Maybe try it not using FM's DNS? Just set up using the DNS of your domain host and give it a try.
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15 Sep 2019, 12:43 PM | #11 |
Member
Join Date: Dec 2007
Posts: 80
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Thanks for the suggestion, but not sure I want to play with DNS again right now, especially since it's working on my own server. It's been a disruptive weekend already, but I'll probably try that next if I decide to go back to Fastmail. Right now, I'm just too irritated at the time I've wasted on this issue.
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15 Sep 2019, 12:54 PM | #12 |
Master of the @
Join Date: Feb 2017
Location: USA
Posts: 1,751
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Just curious. Is the domain extension something other than .com .org or .net?
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15 Sep 2019, 01:15 PM | #13 | |
Member
Join Date: Dec 2007
Posts: 80
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Quote:
After my cloud webmail with multiple POP3 account quest came up short, I went looking for an email client that could just do IMAP on my family's phones. Found AquaMail which seems pretty decent, and very customizable. Gotta find a friendly desktop IMAP app now. Thunderbird is pretty powerful, but I've gotten used to friendly colors and large fonts. https://www.tiserves.com/images/AquaMail.png Last edited by benaboo : 16 Sep 2019 at 07:19 AM. |
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15 Sep 2019, 02:12 PM | #14 | |
The "e" in e-mail
Join Date: Jul 2002
Location: VK4
Posts: 3,029
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Quote:
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15 Sep 2019, 08:07 PM | #15 |
Master of the @
Join Date: Feb 2017
Location: USA
Posts: 1,751
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In my experience as the admin on a business Office 365 account for a small nonprofit I have experienced the same problem receiving emails, even from domains I had regularly been receiving email from. I have made it my routine to regularly look at the Junk folder in order to find important emails I want. Some of these emails are from major companies that should be considered safe senders. Gmail and G Suite filtering is much better, but rather humorously they frequently put Microsoft marketing emails in Spam.
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