My thanks to everyone for your suggestions and help. I have tried everything 
you suggested to no avail, with the exception of wireshark. I love MM or I 
would not be here asking this, but frankly the problem is so obtuse that it is 
no longer worth the cost of tracking it down. My business runs on email, and 
without it my income stops. At this point, pragmatism takes over, and I have 
reluctantly switched to Apple Mail so that I can get back to work.

Again my thanks. I wish you all the best, but I have to move on.

Regards

Tracy

> On May 21, 2026, at 9:00 AM, [email protected] wrote:
> 
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> Today's Topics:
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>   1. Re: server is lost; disconnects; fails (ARC MM)
>   2. server is lost; disconnects; fails (Tracy Kent Valleau)
>   3. Re: server is lost; disconnects; fails (mat)
> 
> From: ARC MM <[email protected]>
> Subject: Re: [MlMt] server is lost; disconnects; fails
> Date: May 20, 2026 at 9:25:44 AM PDT
> To: MailMate Users <[email protected]>
> 
> 
> Hi Tracy,
> 
> What version are you using ? If you are not on r6292, I recommend to move to 
> this release.
> 
> Have you checked the logs in the activity viewer ?
> 
> disconnect your computer from the network/wifi
> laugh MM
> open the activity viewer window (! Don’t close it)
> connect your computer to the network/wifi
> let mail mail connect
> check the logs in the activity viewer
> more detailled logs can be found here:
> • Help > Send Serverlogs contains an attachment with the logs, you can 
> download and analyse them
> Other suggestion:
> 
> disconnect your computer from the network/wifi
> launch MM
> take all accounts offline
> connect your computer to the network/wifi
> synchronise/take online account per account, take enough time so that the 
> account is really synchronised
> It is possible that one account “breaks” the connection
> 
> Hope this helps
> 
> Regards
> 
> Marc
> 
> 
> 
> 
> ARC - your Apple Authorised Service partner   H.D. Saviolaan 8
>       B-1700 Dilbeek
>       Belgium
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> <http://www.arcict.com/>
> tel. : +32 (0)2 466 50 00     fax. : +32 (0)2 466 88 33
> 
> 
> On 19 May 2026, at 19:03, Tracy Kent Valleau wrote:
> 
> Hello
> Been using MM for a decade now without issue. Same server (dreamhost) same 
> address etc. In the past few weeks, launching MM fails to connect to the 
> server, and stay connected. I get a connection, and 20 seconds later, a 
> disconnect and spinning pinwheels. Everything is listed as (unavailable). I 
> cannot add or delete mailboxes. If I wait a while, the connection will come 
> back, and MM will download my email... and then it disconnects again.
> 
> Furthermore, if I switch to Apple Mail (on the same computer), everything 
> runs perfectly. No disconnects, no pauses, no drops. Yes, of course I have 
> checked all the settings.
> 
> What would cause MM to struggle to stay connected, while Mail has no problems 
> at all?
> 
> T Valleau
> 
> mailmate mailing list
> Unsubscribe: https://lists.freron.com/listinfo/mailmate
> 
> 
> 
> 
> From: Tracy Kent Valleau <[email protected]>
> Subject: [MlMt] server is lost; disconnects; fails
> Date: May 20, 2026 at 1:21:14 PM PDT
> To: [email protected]
> 
> 
> 
> Thanks Henry. Been there; done that.
> 
> I'm running a Mac Studio M2 with Tahoe 26.5. MailMate is version 2.0 (6292). 
> I'm using ethernet from my router, not wifi. I created a new user to no 
> avail. I did a power off of my modem and my router. No change. I purged the 
> DNS. I rebuilt the account; I deleted the account and then re-created it. 
> Nada.
> 
> I tried creating a new Outlook account. I would not "verify".
> I tried creating a new Thunderbird account. Works perfectly. (In fact, faster 
> than anything else).
> I tried webmail. Works just fine.
> I deleted and rebuilt the Mail account. Works, but slow.
> I deleted and rebuilt the MailMate account. same thing: sometimes it 
> connects; sometimes it drops, sometimes I get spinning pinwheels until I do a 
> force quit.
> I tried on my MacBook Air 4  using wifi, and MailMate took 58 seconds to 
> connect, and then worked... until it didn't.
> 
> So at this point, there is a lack of consistency which makes debugging an 
> issue. (I've been doing this kind of thing since 1978.)
> 
> Since it varies by software and perhaps device, I'm beginning to suspect the 
> problem may lay with the server certificate at Dreamhost, which is 
> self-signed.
> 
> 
> 
> 
> 
> 
> From: mat <[email protected]>
> Subject: Re: [MlMt] server is lost; disconnects; fails
> Date: May 20, 2026 at 5:33:51 PM PDT
> To: MailMate Users <[email protected]>
> 
> 
> Hello Tracy,
> 
> On 20 May 2026, at 21:21, Tracy Kent Valleau wrote:
> 
>> I tried creating a new Outlook account. I would not "verify".
> might point to SSL or network layer on your box
> 
>> I tried creating a new Thunderbird account. Works perfectly. (In fact, 
>> faster than anything else).
> as long as you don’t use pgp, TB’s bakes its own cake and has an outdated 
> implementation.
> 
>> I tried webmail. Works just fine.
>> I deleted and rebuilt the Mail account. Works, but slow.
>> I deleted and rebuilt the MailMate account. same thing: sometimes it 
>> connects; sometimes it drops, sometimes I get spinning pinwheels until I do 
>> a force quit.
> so the database is not the problem, it’s deeper.
> 
>> I tried on my MacBook Air 4  using wifi, and MailMate took 58 seconds to 
>> connect, and then worked... until it didn't.
> Have you been trying also another Mac with MM?
> Does it behave the same?
> 
>> 
>> So at this point, there is a lack of consistency which makes debugging an 
>> issue. (I've been doing this kind of thing since 1978.)
> I guess, you looked the activity monitor, have you tried Wireshark to see 
> what’s going on?
> 
>> 
>> Since it varies by software and perhaps device, I'm beginning to suspect the 
>> problem may lay with the server certificate at Dreamhost, which is 
>> self-signed.
> 
> a self signed cert is unacceptable for a hosting service.
> There’s let’s encrypt and it’s free, a little script and it also gets updated 
> in time.
> 
> To my experience MM is one of the best, if not the best mail-client around 
> currently.
> I was just looking for an alternativer for Fedora, ended up with Claws Mail 
> and Claws would probably even not connect to a server with selfsigned cert.
> MM is much more tolerant.
> 
> The behaviour you describe is quite unusual and wired, I’m curious what 
> you’re gonna find out.
> 
> cheers
> Matthias
> 
> 
> 
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