Mail Won't Send with New WiFi

Just switched internet providers. Internet and incoming mail work fine, but outgoing messages won't send. My outgoing mail server is my sever at work. How do I get my messages to send?

tridaddy wrote:
Just switched internet providers. Internet and incoming mail work fine, but outgoing messages won't send. My outgoing mail server is my sever at work. How do I get my messages to send?
You should post this to the Mail forum under Mac OSX 10.6.
There are literally dozens of things that need to be done to fix this, up to and including your new internet provider blocks SMTP mail servers.

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Does your office email account have an authenticated SMTP server?
If not, you will have problems sending messages with this account when not connected to your company's network. Internet Service Providers impose restrictions on using an SMTP server that is outside of their network on Port 25 which is the default port for SMTP servers. Most ISPs allow the use of an authenticated SMTP server that is outside of their network on Port 25 but some block its use regardless. These restrictions are in place as part of an overall effort to prevent spam emanating from the ISP's domain but as with just about anything else, it is usually the few that take advantage of a situation for not above board deeds that spoil it for everyone else that need to use it for legitimate reasons.
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3. Send an email.
Email seems to get stuck going out and won't leave. The app sort of hangs and if you're lucky, you'll see the email in the outbox unsent. Sometimes you won't find it. It's never in the sent folder either.
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My week-old 3GS is doing a very similar thing with my Yahoo, if not the exact same thing. I'll start a new thread in case it's different.

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Did Earthlink have you try using their authenticated SMTP server?
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ronright wrote:
Since I bought a new modem/router (Netgear n600), my Apple mail won't send e-mails. It will receive. My ISP is AT&T & the email accounts are via yahoo. I have a Macbook Pro with a recent OSX.
The most recent OS is currently OS 10.8.3. Your system profile confirms you are still using Mac OS X (10.7.5). If this is incorrect, please correct your profile so that you will get the correct troubleshooting suggestions/solutions.
Also, post in the OS/Mail forum of whichever OS is currently installed on your MBP. It's where the OS/Mail expert helpers hang out at.

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Been having the same problem for a few weeks now. This has been working just fine, and all of a sudden - nothing. The update to 10.5.6 didn't do anything to fix this either.
I've spent numerous hours on the phone with the Apple support. Seeing as the two other accounts that I have configured work with no problem, they say that this is a problem with the provider which is also the ISP. I then called the support line for the ISP and informed them of this and they say that it's a problem with the software.
Interestingly, if I send a message to somone with the same ISP, the message will go. But I can't send a message outside of the provider. Does anyone else have this problem?
Also, from another forum, they suggested rebuilding the LaunchServices database. The Apple support didn't see what that would do. But I tried it anyway and the problem still exists.
Another intesting thing is certificates. It's only happened twice, but I've received the message saying that Mail can't verify the certificate XXXXX which validates the identity of the smtp. Anyone else get this? I thought perhaps I could delete the certificate and it would magically reappear. But when I go into KeyChain, the certificate is listed only under System Root and I can't delete it.
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Hi,
My mail won't send on my laptop. There is spinning next to "Send" but the message remains in the outbox.
I deleted and readded all email accounts. This did not solve the problem.
I started a chat with Apple Express support and they said that Lion doesn't support Apple mail so they couldn't help.
I can send via webmail.
I can receive mail.
One error message I receive after it has tried to send the message for awhile is:
Connections to the server “mail.smtp.me” on the default ports timed out.
Select a different outgoing mail server from the list below or click Try Later to leave the message in your Outbox until it can be sent.
My password and username are correct; however, the following error message appears in the Connection Doctor window:
Trying to log in to this SMTP account failed. Verify that the username and password are correct.
Does anyone have a real fix for this issue-it doesn't happen all the time, but has been happening every day for the past week and I need a reliable program to send mail.
Thanks.
lsb

Becky,
Check your smtp server and check if your password is added. After ungrading Mail might have lost the password.

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Hello, mrselisec.
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I would need more information regarding exactly what is happening when you attempt to send to an AOL email address to better assist you. However, he are a couple basic troubleshooting guide that may help with this issue.
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http://support.apple.com/kb/ts3276
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http://support.apple.com/kb/ts4002
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