How to resolve Slow Email Opening on macOS Monterey 12.4

Ok, so, a few minutes ago (Eastern Time) I created a new Admin Account, added in my email Domain, and a Gmail, account. Mail.app launched right away! It's now syncing up 87,950 messages and probably climbing as it usually does. So, what could be buggering up the other Admin account? And or would deleting the Mail accounts and adding them back fix the slow launch (about 25 to 30 seconds), which I could live with, BUT, in my experience it's usually a harbinger of worse things to come!

Lets wait & see how mail does in the new account after it's on equal footing as the Original account, nut if Mail then Performs well, my guess is the starting over on the Mail accounts in the Old aaccount is likely the next option.

Hello all,

I've been following this thread all the way to 2024 'fix' suggestions. I'm astounded with all the efforts made by so many attempting to resolve a basic function of email function-with no solution in sight.

Earlier I got dissed in this forum for griping about 'planned obsolescence' baked into the mac book by apple.

The only fix: cough up a couple K for a new mac book which will work until it won't take OS updates anymore, despite being fully functional (with the exception of email, naturally).

Outrageous!

Mail program is extremely slow loading emails from GMX server. I made sure "Protect Mail Activity" was unchecked, it was and made sure "Hide IP Address" was checked. No change. Having same problem on iPhone, cmx mail extremely slow to load while hotmail, gmail, iCloud load no issue. any ideas? Should I just drop GMX?

Hi BaffledUntilNow,

I feel your pain! I've had the same email thorn for months. Finally booked an appt with a 'genius' to discuss. He told me that my MacBook Air 2013, if it's topping off updates at Monterey, then the operating system I have cannot process the newer OS processing power for applications of Ventura let alone today's Sonoma-in fact even in Monterey my old machine is being overworked. So theoretically mac mail is too far ahead of Monterey to function as it should.

And just fyi, apple says it will be discontinuing support for Monterey by the end of 2024. So Apple's new M3 today or M4 chip soon, will, like all of us over 60, consider Monterey irrelevant.

Just ran Entrecheck. Doesn't seem to indicate anything obvious. Any theories about why this issue comes and goes? That seems a bit odd.

Update on my earlier post Slow email opening - Apple Community

The “full reset option” is still working well!

None of these solutions work. It may work something for 5 minutes and then it is slow again.

I think the exact problem is this - Mail, Safari, Chrome and other WebKit-bas… - Apple Community

This morning all was OK, fast opening.

Might there have been an update? No . .

• still macOS 12.4 (21F79)

So far:

• Upgrading to the latest OS made no difference
• Uninstalling Avast Antivirus SEEMS to have solved the issue!

I say SEEMS, because I have had the false OKs in the past. I'll keep you informed.

Yeah, tried the 2.4 channel and 2 diff 5ghz, just ran Console for errors, etc, see attached 3 screen shots

What worked for me yesterday no longer works. Mail won't open for 1-2 minutes each! IU am really getting tired of this nonsense.

Having the same issue with my mail but also having the same, similar issue with my Apple Music. Not sure if there may be a connection.

Wow my email is really flying today. Only 3 minutes 2 seconds to open this email from Apple Support Community Forum. Goddamn Apple fix this!!!!!