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Gmail keeps going offline in Apple Mail

Since upgrading to Mojave 10.14.4, Gmail continuously goes offline in Apple Mail. Only solution so far is to close Mail and restart. After restarting, Gmail appears to be working normally. Has something changed in the way Mail works with Gmail or has Google changed something?



MacBook Pro Retina

Posted on Apr 9, 2019 12:30 PM

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Did you look in the hidden ~Library folder? That com.apple.mail-shared file is in the Library that pops up when you press the Option key while looking in the "Go" menu of Finder.app.


UPDATE: Most of the day the fix worked for me. I did catch it once after it was hidden for a few hours, where all 6 of my gmail accounts were offline. So, the 4 step approach is an improvement but still needs some work for me.

Posted on May 2, 2019 6:01 PM

52 replies

May 4, 2019 8:01 PM in response to d18ge

I just checked and have checked for the past week for an OS update! Still Nothing!

The problem extends to not only Gmail accounts, but other mail accounts in eluding iCloud Mail! It affects calendars too!

From what I've been experiencing, it also seems to affect browser sessions in Safari! Application Wifi connectivity in general!


It's been a matter of WEEKS now from the point the Mojave 10.14.4 update had been released, and STILL NO FIX from Apple!

Apple broke it, Apple needs to fix it ASAP at this point!

May 5, 2019 7:11 AM in response to snider.m

12 hour Update:


No offline indicators to report this morning when unhiding Mail.app. I failed to mention yesterday regarding my final interaction with the settings on the 6th gmail account, I toggled the Mail checkbox off and back on again. Then I added 2 more checkboxes for a total of 3.


Through this gmail troubleshooting session the last few days, there have been two icloud accounts in my Mail.app that have been behaving normally.


Now that you mention it, that timeline seems about right snider.m. That 10.14.4 update is about when I started noticing the offline indicators in Mail.app. It didn't start to annoy though for a couple of weeks after that.

May 5, 2019 8:06 AM in response to mojotreetop

I have 12 email accounts configured in Apple Mail, a couple MS Outlook, a Zoho, and an iCloud mail, but the majority are gmail. They all intermittently go offline because they can't establish login credentials with their respective servers. I've also noticed response problems within Safari sessions at the same time. Support claims not to know anything about these issues after the update. Everything was rock solid on my MBP until the 10.14.4 update.

May 5, 2019 11:09 AM in response to mojotreetop

I called Apple support, quickly exhausted solutions offered by first level support, and was transferred to senior level support.

The issue was finally tracked to malware that setup a SOCKS proxy. In network settings, advanced, proxies, there should have been no proxy. The tech suggested Malwarebytes to scan, identify and remove any malware. It worked like a charm!

I have no idea where I picked it up. As a network engineer in a previous life, I am wise to most all phishing schemes!

May 5, 2019 1:43 PM in response to snider.m

Just scanned my MacBook for any viruses and malware - none. Also checked the area you mentioned in network settings and I don't have any proxies or anything in that SOCKS area. Don't think that's my issue. I think like others have experienced my problem has to do with the account settings in the MacOS that Apple needs to figure out.


For comparison I also have a MacBook Pro 2010 that is NOT running Mavericks, is configured the same way as my new MacBook Pro, with the same accounts etc., and it does NOT have this problem...

May 5, 2019 1:54 PM in response to TheeWildOlive

I have a 2016 MacBook Pro with Touchbar and this issue started with the version of macOS 10.14.4. I have tried all the steps that people have put in this thread and none fix the issue. I have ran malware bytes, all clean, and SOCKS proxy is not on. I work at an authorized retailer and service provider and we have had people come in with tons of problems with my specific model. Apple has had me send them every type of log you can think of and they are still trying to find the problem.

Gmail keeps going offline in Apple Mail

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