Cannot get Mail Service to bypass port 25

I'm running SLS 10.6. on a Mini connected via Cox home internet. It is a standalone server which will see only light duty handling wikis, blogs, and small mailing lists for just a handful of users.
Port 25 is blocked by default, so I'm trying to use port 587 instead.
I have:
• modified the master.cf file as suggested in several other threads
• opened port 587 on my router (Time Capsule) - I can see the port is open remotely via Network Utility
AFAIK I have everything set up properly according to the documentation, but I cannot send or receive mail. However, if I attempt to send mail via squirrelmail using the web interface the messages do get bounced back, and I can see these bounced back messages with a remote POP mail client.
So what now?

Camelot wrote:
My point was that if you change the port (which you can do, and that MacOSXHints article walks through) no mail will flow through your server unless the remote systems that are trying to send you mail (or send mail through you) are reconfigured to use the same port.
e.g. if you switch your mail server from 25 to 2525 then nothing's going to happen until everyone else knows that you're using 2525 for SMTP.
Now, in this case it's (relatively) easy to change your Mail.app client to send mail through port 2525, but there is no way to tell other mail servers to do the same - every other mail server in the world will try to connect to port 25.
Understood. I have seen others post that they have used a relay (say through DNYDNS.org) pointed to another port (587 for example) to get around this. I am on the right track here?
Camelot wrote:
That's why I asked what your goal was here - if your intent/expectation is that this mail server will handle mail for your domain and that other mail servers will be sending messages to you then this approach is doomed to failure. It's only viable if you control all the client systems that are using it.
My goal is for this server to send occasional emails to a few people via mailman lists and wiki groups, as well as push notification for iCal events. It won't be doing any heavy duty email, we have remotely hosted email service for that.

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"Cannot get mail, connection to the service failed". why and how do I repair it?

"Cannot get mail, connection to the service failed". why and how do I repair it?

Thanks. However...these links are to basic troubleshooting. Good stuff, except I -- like it seems others -- have multiple email accounts coming into their iPhones (my case, iPhone 5 running latest version of iOS) that until this past Friday evening (September 12, 2014).... worked perfectly, then just all stopped.
In my case, I also lost access to an internet forum I frequent multiple times daily. All worked fine, until things abruptly stopped working the evening of September 12.
Seems like anything with a stored login/password got hosed.
I went into the profiles to make sure my passwords were still there (thought they may have somehow gotten wiped out), but they were there. I re-entered them just in case, no change.
Now just this morning, Sunday September 14, two emails from the same (employer) email account have trickled in. But nothing from the others (gmail, yahoo mail).
Spouse is having same issue on an iPhone 5.

Cannot get mail, connection to the service failed after iOS7

After upgrading to iOS7, I am getting repeated "Cannot Get Mail: The connection to the server failed." message everytime I open the email. I click OK and after it goes away, I do get email later. But it happens everytime now. Reset the iPad but still happening. Do I have to hard reset the darn thing? Any ideas?

Don't hard reset.
Instead, go to Settings/Mail, Contacts, Calendars and the to Accounts. Note the settings for your iPad, then delete the account - and then reenter the information. Make sure it's 100% correct.
Many, many people - myself included - had to reenter email settings after the iOS7 update.

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Jan 23 18:51:33 mail master[47]: ERROR: Cannot start mail services, configuration directory does not exist: /Volumes/RAID/mail.data/db
I'm speculating this is a timing error that gets created when Postfix initially can't find the RAID. Then, it must try again and find it because the error message does not repeat and mail starts running.
Is this something to worry about?

Hi Joel,
You're right, it's a timing issues. The mail system is ready for work before the file system is mounted. It's benign.
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Recently, after a year or more of relatively smooth service, my OS X Server 10.4.11 Mail services has been locking up daily.
I was finally able to get some information from the log files (I am a noob to this) and saw the following right after my most recent reboot of the server:
Oct 5 09:51:11 mm1 master[50]: ERROR: Cannot start mail services, configuration directory does not exist: /Volumes/Data/mail/var/imap
I checked the server and that directory is indeed there on the partition named "DATA", so I am baffled as why the server does not thing the configuration directory exists?
drwxr-xr-x 15 cyrusima mail 510 Oct 5 09:51 imap
drwxr-xr-x 15 root admin 510 Oct 3 20:01 imap.BAK
drwxr-xr-x 15 cyrusima mail 510 Oct 3 20:05 imapold10032009-200707
drwxr-xr-x 4 jkoerber admin 136 Dec 3 2007 spool
mm1:/Volumes/Data/mail/var jkoerber$
Can anyone help me? My customers are yelling for blood because they cannot send/receive emails.
-- Jon
Message was edited by: Jon Koerber

Thanks Alex for the feedback. You are helpful as always!
It's good to know that the message I am getting from the mail server about the configuration files is only a temporary thing. Although I find it strange that the mail service doesn't know where its config files are since it is specified in the mail server setup.
I looked at the log files you mentioned and do not see anything that looks like a specific problem with the mail services themselves.
Recently, however, I have been having recurring problems where my mail server and my Web/Database server have both become unresponsive at nearly the same time even though they are on different class A networks to where I cannot access them via ARD, Server Admin and even SSH. That is usually when my mail server goes offline. I was afraid it was because of that configuration error I was seeing, but think now that the problem could be something else entirely (maybe some kind of network problem or denial of service hacking attack, no idea).
Thanks again.
-- Jon

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I have a message sitting in the outgoing box. When I try to send it I get:
Verify that you have addressed this message correctly. Check your SMTP server settings in Mail Preferences and verify any advanced settings with your system administrator.
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Below that I have three server choices: smtp.me.com, smtp.me.com:dennis briskin, and smtp.me.com:[email protected] The last one should not work in any case, I believe.

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Hi,
Just hoping for a little help!
We recently had an email account disconnected by our provider in error (we changed from a mobile Internet connection to home ADSL & requested an email retention, which didn't happen!)
After weeks of dealing with our incompetent provider we have finally got the email address reconnected however I am unable to get it to work on any of our devices (iPhone 4, iPhone 4S, iPad 3, or home laptop). The account is definately active as emails are accessible through the providers website. The email address is an "additional mailbox" to the primary mailbox connected with the adsl.
The email address worked fine on our devices & laptop prior to the disconnection.
With the reconnection our provider advised we had to change the email settings to now be a pop3 account and provided the relevant details regarding servers, ports etc.. These details are exactly the same as the primary email address I have set up on all devices and which works perfectly.
I have tried deleting the account and re-adding, I have rebooted the devices and have double triple checked the settings. Still nothing! I just receive an error message saying "cannot get mail. The username or password for "pop3.xxxx.com" is incorrect." Though, I know the password is correct as its the same one we use to log in to the mailbox on our providers website and access the email.
Would anyone have any insight as to why only this particular email address can not be added to the devices "mail app"?? I love the ease of being able to just tap the mail icon and see all my different email accounts. I'd prefer to not have to manually login to our providers website to access mail on one account.
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Thanks!
B

iOS: Unable to send or receive email
http://support.apple.com/kb/TS3899
Can’t Send Emails on iPad – Troubleshooting Steps
http://ipadhelp.com/ipad-help/ipad-cant-send-emails-troubleshooting-steps/
Setting up and troubleshooting Mail
http://www.apple.com/support/ipad/assistant/mail/
Server does not allow relaying email error, fix
http://appletoolbox.com/2012/01/server-does-not-allow-relaying-email-error-fix/
Why Does My iPad Say "Cannot Connect to Server"?
http://www.ehow.co.uk/info_8693415_ipad-say-cannot-connect-server.html
iOS: 'Mailbox Locked', account is in use on another device, or prompt to re-enter POP3 password
http://support.apple.com/kb/ts2621
iPad Mail
http://www.apple.com/support/ipad/mail/
Configuration problems with IMAP e-mail on iOS with a non-standard SSL port.
http://colinrobbins.me/2013/02/09/configuration-problems-with-imap-e-mail-on-ios -with-a-non-standard-ssl-port/
Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
Or this - Delete the account in Mail and then set it up again. Settings->Mail, Contacts, Calendars -> Accounts Tap on the Account, then on the red button that says Remove Account.
 Cheers, Tom

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Cannot get Mail Service to bypass port 25

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