13 votes
Accepted

How do I setup a SENT and TRASH folder with Dovecot?

The original answer from 2011 is outdated. Dovecot lifecycle announcement: For any version before 2.2, we are not going to be providing any patches or fixes. This has been the case before, but we are ...
wedi's user avatar
  • 398
6 votes
Accepted

Check firmware version of iPhones using Exchange?

From Exchange Management Shell Get-ActiveSyncDevice Look At DeviceOS it will give the version
xec86's user avatar
  • 176
6 votes

How do I setup a SENT and TRASH folder with Dovecot?

I got a similar problem, the Samsung Android app was creating its own TRASH folder, instead of using the existing Trash one. After fixing it, as described below, I had to remove then add again the ...
Robin Thoni's user avatar
3 votes

Company access to enrolled iPhone / How to use Office 365 + IMAP + MFA + iPhone?

They use Office 365 and have always required phones to be enrolled (giving their IT department full access) in order for email etc. to be accessible. However, I used to be able to circumvent this ...
joeqwerty's user avatar
  • 111k
3 votes

Nginx+Apache2+LetsEncrypt with IPhone cannot display page

This doesn't seem to be a problem with SSL (or Let's encrypt). The fact, that the request shows up in your log file proves that the request came through fine (the SSL handshake is done before the ...
Gerald Schneider's user avatar
2 votes
Accepted

TLS1.2 not possible with iOS mail?

I wish I could pinch you to wake you up, but sadly, this is not a dream. The iOS Mail app cannot speak any later TLS than TLSv1. Not even 1.1 (which is ok by PCI.) Apple has really dropped the ball on ...
Steve Lionel's user avatar
2 votes

Nginx+Apache2+LetsEncrypt with IPhone cannot display page

Now facing the same/similar issue on iOS 12 with nginx 1.16.0 proxying to apache enabled with http2. Workaround is to disable http2 on nginx, the right solution is described here https://trac.nginx....
Jan Stefanides's user avatar
2 votes
Accepted

Nginx+Apache2+LetsEncrypt with IPhone cannot display page

Nginx cannot proxy to Apache by h2 protocol: Protocols h2 http/1.1 removing this line solve the problem, but I still cannot understand why it's happing ONLY WITH devices iOS 10.
dima's user avatar
  • 61
2 votes
Accepted

iPhone users does not connect to StrongSwan VPN, while Android and Windows 10 users do?

As we can see in the log, the client doesn't support RFC 7427 (otherwise, hash algorithm notifies would get exchanged during IKE_SA_INIT), which defines flexible signature-based authentication. While ...
ecdsa's user avatar
  • 4,103
1 vote

Allowing a single user or domain to relay through Postfix

NiKiZe, your answer is absolutely correct. I spent Sunday reading and was going to come back on with a 'never mind!' - I'm working on implementing SASL right now. http://www.postfix.org/SASL_README....
Tim Boyer's user avatar
1 vote

Safari can't connect securely to our server? Where is SSL Cert validated?

Use SSL Labs to check your SSL: https://www.ssllabs.com/ssltest/ At the end of the report it will tell you which browsers it works on and which it does not. According to this question the problem ...
Tom's user avatar
  • 289
1 vote

Is a smartphone recognized as a smartphone when connected to wifi? If so, how can I avoid that?

Yes. There is an Organizationally Unique Identifier in your MAC Address that can identify your device (i.e. android, motorola, samsung). Levels of granularity depend on whatever device is actually ...
Patrick's user avatar
  • 498
1 vote
Accepted

Does TLS 1.2 prevent MITM sniffing with proxy certificate?

Man in the middle is prevented if the client checks that it gets exactly the expected certificate. This is called certificate or public key pinning. This is not a feature of any TLS version including ...
Steffen Ullrich's user avatar
1 vote
Accepted

I added a mail account to Outlook using imap and now want to sync the agenda to iphone, is this possible?

The Internet Message Access Protocol (IMAP) is an Internet standard protocol used by e-mail clients to retrieve e-mail messages from a mail server over a TCP/IP connection as defined by RFC 3501. If ...
BastianW's user avatar
  • 2,888
1 vote

L2TP server allows connections through firewall for iPhone/iPad, but not windows

I've had this same problem, and it turned out that the local Windows firewall was blocking the connection. This guide helped me add the correct ports. Basically you need to open UDP Ports '50, 500, ...
privacychair's user avatar
1 vote

iphone and exchange: not enough to just reset a terminated user password

There is a delay when you change the password for an active Sync user as explain in KB 2612821. You might recycle the MSExchangeSyncAppPool pool on the Exchange server as mentioned here if only one ...
BastianW's user avatar
  • 2,888

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