Currently Being ModeratedJan 30, 2013 10:01 AM (in response to Linc Davis)
I have an internet connection, it's not that which is the issue unless for some reason the Mail App isn't accessing the internet whilst the laptop, Safari and other programmes are. The next time it happens I'll cut and paste the complete message but the traffic lights go red and the message says, network connection unavailable, check you've entered the correct user name, password and information in account settings etc.
Currently Being ModeratedJan 30, 2013 12:32 PM (in response to Linc Davis)
Yes, other internet applications work and other devices on the same network are connected. The problem just seems to be with Apple Mail. Hopefully the screenshot I took will insert here so it can be seen. You can see the comments in the Connection Doctor window and the alert triangle on the Mail screen next to each mailbox account. You can also see that SMTP connections are fine but IMAP are not connected. Where it suggests that SSL is deselected, it is already. Where it suggests that server port 143 may not accept connections, it does, this is the port specified by the ISP in that instance.file://localhost/Users/paulphillips/Desktop/Screen%20Shot%202013-01-30%20at%2020 .27.48.png
Currently Being ModeratedJan 30, 2013 1:17 PM (in response to pxphilli)
Follow the instructions under the heading "Mail Connection Doctor shows one or more red dots in the account Status column" on the page linked below:
Currently Being ModeratedJan 30, 2013 1:27 PM (in response to Linc Davis)
Have worked my way through this but now have to do one final thing which is to wait until Mail stops connecting again (I recently restarted it so it's all OK at present) and then do one of the things suggested in the support link you kindly provided. I'll let you know. Thanks for your help so far.
Currently Being ModeratedJan 31, 2013 7:48 AM (in response to Linc Davis)
OK, after several hours this time the connection was dropped again. Again on the IMAP connection. The message next to each account showing the error is
The server returned the error: The server “mail.degrimme.com” cannot be contacted on port 143 or
The server returned the error: The server “imap.gmail.com” cannot be contacted on port 993
However, these are the correct server ports and if I were to close down Mail and restart the App then the acounts would connect via these ports and run perfectly OK for a while until ceasing to connect again. ... More below the image
I also ran a port scan using Network Utility and was told that port 993 at imap.gmail.com was open
Port Scan has started…
Port Scanning host: 18.104.22.168
Open TCP Port: 993 imaps
Port Scan has completed…
I get the same result on the other accounts after a Port Scan i.e. port 993 is open, yet Mail is telling me that it can't connect to this port.
Currently Being ModeratedSep 1, 2013 10:50 AM (in response to whh1953)
Did you ever solve this problem?
I realise that it is now September - and you encountered this in February 2013. I was ok on a humble MackBook on 10.7, then moved (upgraded ?!) to a MacBookPro on 10.8 Mountain Lion, and have this identical problem. Random, indeterminate dropping out of Mail connections - whether I am on my home network or my office network. IMPS, SMTP, POP - in no praticular order or preference. Using Connection Doctor to attempt to reconnect doesn't work. THe only solution is to stop Mail, and then restart it. All the connections get remade - mail omes and goes, and then the connections start to drop out - randomly - in no particualr order or preference.
Have tried suggestions from Linc Davis - no luck so far. Thought it was damaged ethernet cables at one point - but have now ruled them out. Happens on both Wireless and hardwired ethernet. Have reinstalled OSX. Have done PRAM reset. Very strange!!
Running Mail 6.5 Build 1508. OSX V 10.8.4
Currently Being ModeratedSep 1, 2013 12:05 PM (in response to pxphilli)
Did you ever find a solution to this? I am having the exact same problem. Have posted below/earlier in reply to whh1953.
Any comments / pointers much appreciated - having to restart Mail is a pain. No problem with any other internet connected applications, eg Safari, Twitter. Firefox.
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