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I am unable to download my mail using the native mail app after upgrading to IOS 18. I am getting the following error; “Network Error (POSIX 96)”
The mail configuration is on imap with SSL.
iPad Pro, iPadOS 18
The case finally landed in Cupertino! We have a case no. and the developer are in the process of analyzing the problem and implementing a solution. It is a bug that will be fixed in one of the next releases. As soon as I have news I will post them...
I have the same problem, but it occurred way before I downloaded IOS 18:
I have Hotmail as my main email account—have for decades. Lately, the mail app on my iPhone Willy Nilly decides my password is incorrect and stops receiving and sending mail. I use the same password I have been using since I changed it earlier this year and sometimes it gets my mail working and sometimes it doesn’t. Oddly enough, the mail app on my iPad doesn’t behave this way, logging on to Outlook via a browser to access my mail doesn’t have a problem—it’s just on my phone mail app. I’m at a loss as to how to fix this. Any help would be greatly appreciated.
I’m getting: Network Error POSIX 96
You are probably right. My point is if it was working prior to IOS18 upgrade and works post upgrade with other mail clients, doesn’t it mean that the issue is with the native mail client where the error is coming up.
PS - The issue persists post update to 18.0.1.
That is an interesting hint. What exactly did you do? Customization in dovecot.conf? And if so, what exactly?
I may be able to solve the problem for myself too. I found dovecot.conf in my mail configuration...
Thank you for any further information !)
I am unable to download my mail using the native mail app after upgrading to IOS 18. I am getting the following error; “Unable to create a secure connection to the server ("bad certificate format -9.808).”
The mail configuration is on imap with SSL and TLS.
In my case, I still had the old Hotmail account on the Mail app as my primary email. I got in a live chat with Apple help and they had me delete the Hotmail account and just install Outlook as my primary email. That fixed it; I can now receive/send email using my original hotmail address through outlook. I hope this helps someone—sorry I’m not more tech savvy.
Thank you for persevering with the case!
However, I find it strange that Apple is now looking at your iPhone individually in detail.
Has Apple still not realised that thousands of users worldwide have been experiencing these Apple Mail problems since the update to iOS 18? This is not an individual problem of a single iPhone! My German mail provider has also confirmed to me that it must be an Apple error. He rules out the possibility of a fault with himself or the phone provider. Best regards from Berlin!
Contact Apple Support
Contact - Official Apple Support (CA)
If you ever get them on the phone explain it to the rep, but don't let them put you off. Have it expedited and keep it going until then can either fix while you are on the phone or give you a timeline on when it is going to get fixed.
Guess the only option is to wait for the next IOS release and hope they fix it in that.
“Same Problem for me - Support said the problem is known and seems to occur if you use your own domains”
Did they suggest a workaround pending a fix? This is a serious problem.
Some of us have raised cases with Apple. Still awaiting a fix. I am due to have a follow up call on Friday.
Hi all,
I have the same problem (Network error POSIX 96). The emails do not download and refresh correctly through the native Mail app. Sometimes, they do download but I am unable to open the content of the email. I have contacted the local provider of my email and I have been informed that the issue is on Apple side. When will this be fixed? This is a serious issue. :(
There are 2 error i have notice in my dovecot setup while my iPhone Mail app given POSIX 96 error.
First time dovecot given the error "imap-postlogin: Error: ERROR 145 (HY000) at line 1: Table './last_login/lastauth' is marked as crashed and should be repaired", that is have fixed by repairing that table in mysql.
Second time dovecot given the error "imap(......@..........in): Error: mmap() failed with file /var/vmail/vmail1/..../Maildir/dovecot.index.cache: Cannot allocate memory". For this error i have increased default_vsz_limit from 256M to 512M.
Overall My Understanding is Dovecot having any error in it plugin apart from IMAP protocol, other clients are ignoring it, where us the latest Mail app throwing the error in client side. So blaming iOS18 or new Mail app is not good.
May be i can help you to fix if you share the truncated logs while accessing Mail app to your server.
refer my reply
Error in downloading mail on IMAP after i… - Apple Community
for your information. I had the same issue what is discussed here in my old dovcot setup while i was moving to iOS18, and i got its fixed by solving the issues in my dovecot settings.
I think the issue with iCloud mail can be sorted out by one of the below;
Try deleting the mail app only if recreating the mail account does not work.
Same Problem for me - Support said the problem is known and seems to occur if you use your own domains
Error in downloading mail on IMAP after ios 18 upgrade
