Can access mail on home IMAP server from work, but not at home
At home I have an Xserve running Snow Leopard Server with IMAP service enabled. This runs all my personal email. Even Gmail and iCloud accounts have their incoming mail forwarded to that server, because I prefer to house my own data. I have dynamic DNS with an MX record. The Xserve also runs DNS and resolves "imap.myip.net" to the internal IP address of the Xserve, and, when I am and work, "imap.myip.net," through the dynamic DNS service, resolves to the outside IP address I have through my ISP. My router forwards external requests on Port 993 to the Xserve internally.
Until recently, I could move my MacBook Pro between home and work and access my email without problems in either place. It appears that since the 10.8.2 update, I can no longer access my email from home, where I am on the same subnet as my IMAP server. When at home, Mail accesses external email servers (Gmail and my work account) without problems. For the accounts on my home IMAP server, the Mail Connection Doctor states that the IMAP server could not be contacted.
However, I can clearly ping it from my MacBook Pro, which means that it is reachable and that my internal DNS is working.
I just fired up my work VPN, and, sure enough, messages that Mail hadn't been able to collect are trondling into my Inbox. In other words, when making Mail access my mail server through the Internet there is no problem.
Even before the Mountain Lion update I found that I had to relaunch Mail when I returned home from work, or Mail couldn't connect to the mail server. It seemed like Mail cached the resolved IP address it had gotten at work, which is the external IP address of my home network, and failed to re-resolved the address of the IMAP server once I woke up the computer, after getting back home. Quitting Mail and relaunching it did resolve that, but it was annoying.
I have never worked with Little Snitch, but it might provide some answers as to what Mail is attempting to do, when it is failing to access the server. Do any of you agree or recognize this issue and have a solution?
It looks like a simple reboot fixed the problem.
Mac OS X is, by and large, so stable that I don't even consider rebooting as a troubleshooting step. There have been a number of application glitch that required a quit and re-launch to fix them, but that didn't do the trick with Mail. Very possibly reconfiguring everything from scratch had something to do with the fix, but in a way that required it to be combined with a reboot.
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Windows IP Configuration
Host Name . . . . . . . . . . . . : Mark-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Bluetooth Network Connection 2:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network) #2
Physical Address. . . . . . . . . : 44-2A-60-CF-D0-93
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter Wireless Network Connection 2:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : 32-9A-DD-9F-1D-FF
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Local Area Connection:
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Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ethernet
Physical Address. . . . . . . . . : C8-2A-14-1B-EE-D1
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::a47a:3af7:72e6:f899%11(Preferred)
Autoconfiguration IPv4 Address. . : 169.254.248.153(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 348662292
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-CD-DA-86-10-9A-DD-9F-1D-FF
DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled
Wireless LAN adapter Wireless Network Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Atheros AR938x Wireless Network Adapter
Physical Address. . . . . . . . . : 10-9A-DD-9F-1D-FF
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter 6TO4 Adapter:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft 6to4 Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.{077AEF3E-6752-42C5-A037-9FB69A17CB27}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.{83EF0082-ADD7-4283-8303-9133BD882E39}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.{22AA845D-6210-4549-AAE5-3D8917BA7286}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Teredo Tunneling Pseudo-Interface:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.{D364C869-F7DD-4F9A-ADBA-7EBF53DD21D2}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
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I can use Mail at home, no problem. But when I travel, I can receive mail but not send it. I get a "server can't be reached" message. Yet when I send a photo using iPhoto, it gets sent. Help!!
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*Restart the operating system in '''[http://en.wikipedia.org/wiki/Safe_mode safe mode with Networking]'''. This loads only the very basics needed to start your computer while enabling an Internet connection. Click on your operating system for instructions on how to start in safe mode: [http://windows.microsoft.com/en-us/windows-8/windows-startup-settings-including-safe-mode Windows 8], [http://windows.microsoft.com/en-us/windows/start-computer-safe-mode#start-computer-safe-mode=windows-7 Windows 7], [http://windows.microsoft.com/en-us/windows/start-computer-safe-mode#start-computer-safe-mode=windows-vista Windows Vista], [http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/boot_failsafe.mspx?mfr=true" Windows XP], [http://support.apple.com/kb/ht1564 OSX]
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Please tell me how to configure the settings of Thunderbird so that if i delete any mail from Thunderbird that mail would be delete only from Thunderbird not from server. I'm using IMAP configuration for all my mail accounts and I'm using Thunderbird in my laptop and tablet both.
Currently i'm using Thunderbird 24.4.0 and i just want to delete my useless mails from Thunderbird but not from the server without using pop-3 settings.
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Pop mail accounts cannot see the folders on the server. They only access the server Inbox folder and download emails not previously downloaded to the mail account Inbox in Thunderbird. These emails are kept on your computer in your profile folder. You can select to keep a copy on the server or not. You can choose to delete emails off your computer and off the server or not.
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Please read section on 'All Mail' at this link.
* http://kb.mozillazine.org/Using_Gmail_with_Thunderbird_and_Mozilla_Suite
You do not have to download/synchronize the entire folder. You could select to only synchronize the most recent xx days of emails.
see info here:
* https://support.mozilla.org/en-US/kb/imap-synchronization#w_configuring-synchronization-and-disk-space-usage -
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