Can't send mail after AirPort update

After I installed the latest AirPort update, I can no longer send emails through Mac Mail but I can still receive them. I can send emails if I plug my MacBook directly into the cable service router through the ethernet port. According to my ISP (Cox), I have Mail configured to work properly. Is there a setting on the AirPort that I need to change?

The error message says:
"The sender address [my email address] was rejected by the server smtp.east.cox.net.
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 delivered."
There is only one server I can use. There is a button for the Connection Doctor, and that shows all green lights.

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Can't send mail after security update

Hello, I installed a security update friday night, and can no longer send email using either Mail 2.1 or Thunderbird. Both were working prior to the security update.
I am not getting any error messages except for the ones over the phone that go..."did you get my email? What email?" In fact, both Mail and Thunderbird give every indication that the email was sent.
I can mail myself a test from a web program, so my smtp server is working.
I can receive mail fine.
I am blaming the security update for this, but I have no idea where to look or what to do. Can I uninstall the update?

You're welcome.
The thing is, AFAIK Mail wouldn't put the message in the Sent mailbox unless it has received confirmation from the outgoing server that the message has indeed been sent, so it seems to me that the problem is not that messages are not being sent, but rather that they don't arrive at the destination for some reason.
I bcc myself on every email for filing reasons and have
not recieved one of my own emails since Friday night.
Do you receive other mail normally? Have you checked for those messages on the web?
I can log into my employers web tool and send email that way,
so something is going on with my machine, whatever it is.
Well, not necessarily. Maybe there is something wrong with the outgoing server you're using in Mail. Is this your only mail account? Do you have access to any other outgoing server that you could try?

Can't send mail after loading update

Stopped in the ATT store and they told me others are having the same problem and suggested I go to the Apple store. Anyone able to fix this problem without going to Apple store?

The error message says:
"The sender address [my email address] was rejected by the server smtp.east.cox.net.
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 delivered."
There is only one server I can use. There is a button for the Connection Doctor, and that shows all green lights.

I can't launch Mail after i update the OS to X Yosemite

I can't launch Mail after i update the OS to X Yosemite.

can't open mail after installing yosemite

I can't send email after iOS7 update...

I can't send email after the iOS7 update....this is a show stopper for me. When is a fix expected?

First it would help if you explain exactly what happens when you send an email.
Do you get an error message?
If so what does the message say?
The abilitly to send or receive emails does not fall on Apple or the IOS 7.
You email provider gives you that ability.
Double check and make sure your outgoing mail server is correct.

Can't send mail after updating to 10.5.5

I don't know if it could be coincidence, but I had been receiving and sending email all day long until I installed the latest update (10.5.5). Since the installation completed, I have not been able to send mails (receiving is okay). The program keeps trying, but just keep son trying with nothing happening. I checked the SMTP's for my accounts — nothing has changed there. Don't know what's up.

Consider yourselves lucky. I can't send or receive email or connect to the internet AT ALL since installing whatever updates came down this morning (9/24/08). I can connect to my wireless and I can connect to AT&T using my USB wireless 3G thingy, but I can't access email or the web. Problem started immediately after this mornings Software Update rebooted my machine. I'm downloading the dmg on my work PC now and am hoping reinstalling will fix the issue(s).

Can't send mails after 10.4.6 update

Well, the topic pretty much says it all. After I upgraded to 10.4.6 I can no longer send mails. This happens with three completely unrelated SMTP servers, so I'm pretty sure it's a Mail problem. Receiving mails works without any problems and excepte the return of the ugly bubbles everything else is working fine as well.
I already re-entered my login values, didn't change a thing.

I didn't even update. One day Mail just stopped sending mail. Can't remember doing anything specific. Looks like a common problem these days from having read several discussion boards. I'm on the bandwagon. Reinstalled, created new accounts, triple checked, checked with ISP, disabled password authentication...
I even tried downloading another mail program, Revolver, but that can't send either, so I'm stumped, both recieved mail just dandy. In Revolver it gives a better hint to the problem "SMTP Error 103 (Name Resolution Error)", Doesn't help much though. As I understand, 103 is just a general error anyway.

Can't send mail after resetting my googlemail password

Hi. I find I cannot send mail messages although I can receive them fine on my Mac Mini. This follows having reset my googlemail password. I can send and receive with no problem on my other Apple devices: iPhone and iPad. The Mac Mini is updated to the latest OS. Any helpful hints would be very gratefully received!

So, I seem to have resolved the problem by resetting the password in Mail>Preferences and editing the SMPT server list from the drop down in Outgoing Mail Server (SMPT) by putting in the new password. But thanks for looking at this, hopefully, this might help someone with the same issue.

Can't Open Mail after security update 10.6.8

I can not get the mail app to run. This is the error message I keep getting.
Did the SecUpd2012-004 update.
After the update, I had (and still have) 2 copies of mail in my application folder.
I've repaired my permissions.
Tried to got back using the time machine (that was a waste of hours).
Also, deleted the mail app (8.1) and then reinstalled the SecUpd2012-004.
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I've noticed that other people are starting similar threads. Anybody have a solution? I've been working on it all day and no joy.
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Well, I thought that we might have had a solution, but no such luck.
I did the combined update - and after that I had only one Mail app in the applications folder (encouraging) - and it appeared to be the correct one by it's icon.
Thought about doing a repair permissions but didn't do it after the combined update.
After the combined update, I did the secUpd, the second mail app was there with it's generic icon again and
Needless to say, I'm back to square 1.
So, I'm thinking I've got some options here. One of my options would be to get another HD, slug it into one of the open HD slots, take out my 10.6 CD format it and then if possible use time machine to put that drive in the state where everything worked right before the update. This would seem to be the fastest, time wise way of making the issue go away.
You guys think I could / should delete the 4.6 mail app and start over with the combined update and then do a permissions repair after the update?

Can't send mail after 10.5.6

Anyone having trouble sending email after upgrading? I can receive it fine, but sending has been a no-go for nearly 24 hours now. All my server settings are accurate and my ISP reporst no issues on their end.
What gives?

I've been having this problem for weeks, and many other have too, if you go back through the forum. In my case I'm using a Sprint mobile broadband modem (Sierra Compass 597) on my MacBook Pro. I can receive but not send - but erratically. Sometime is works just fine. I've done all the troubleshooting and had long conversations with the support people at my isp. Works for awhile, but then deteriorates.
But I CAN ALWAYS send over my old dial-up land line modem!
And as for the Sprint modem - it works just fine on my wife's PC to the same isp.
She's considering replacing it with a Mac, but not until I solve this issue!
Every day I check for a software update - but in vain. I even took it to the Geniuses at my local Apple store and they were stumped.

Can't send mail via airport express

I'm trying to set up an airport network for my Mom. She has a MacBook running 10.6.1 and Roadrunner is her ISP. I have the cable modem attached via ethernet cable to the airport express (BTY, I tried my airport extreme and have the same problem). I can use the internet and can retrieve mail but I CANNOT SEND MAIL. Everything else including the printer woks fine on the network. RoadRunner support verified that my network and e-mail account settings are correct. They claim it is an issue with the Mac. Any ideas?

Welcome to the discussions!
You didn't mention this in your post,but I assume that you have power cycled the network, correct?
If not, power everything down for a few minutes. Start the modem first and let it run 2-3 minutes alone. Then start the Airport Express and let it run 2-3 minutes and finally your printer and computers. Any help?
If not, and you have a good internet connection, it is a question of settings or the mail application itself. What mail application are you using?

Can not send emails after ML update

I am unable to send emails after updating to Mountain Lion. Four email accounts, same problem: All settings are unchanged, but SMTP servers for outgoing mail are set as passive. No problem with incoming emails. Any suggestions?

I thought they might be. Apple seems to forget about POP accounts, and most problems seem to occur in them.
Do you have a backup before upgrading?
Did Mail go through the upgrade process the first time you opened Mail after the installation? Sounds like something may have gone wrong.
All mail accounts and emails are stored in you user/Library/Mail/V2 folder. If you have a time machine backup, just restore that V2 folder from before the upgrade (close Mail first) and see if that fixes the problem.
To see your Library folder, click on the desktop to make it active, then go to the menu at the top, select Go, then Go to Folder and type or copy and paste
~/Library
Then go to the Mail folder and open it and click on Time Machine - restore the V2 folder from before the backup

How can I send email after IPad update?

email won't send, yesterday email worked fined then I updated IPad and iPhone 4 to OS 6.1.2. Now none of my email accounts will send . Any ideas?
I did not change any settings.

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/
iPad Mail
http://www.apple.com/support/ipad/mail/
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

Can't open mail after installing update with 10.6.8 says my mail is out of date

Please help - new to Macs and I installed automatic update of 10.6.8 - 4 days ago and now I can't open up mail - it says "You can't use this version of Mail with this version of Mac OS X. You tried to open Mail version 4.5 (1084/1085) in Applications/ Mail.
So I went to Applications, says this message again. So I used my discs that came with the computer adn installed again Applications - no luck.
I had luckily backed up 2 days before this update - so went to Time Machine - did restore - now good still - can't open mail. CLick on Iconand get same messgae .
Please help. Thank you

rainbowmum wrote:
Thank you for the very clear basic instructions—helpful for a newbie.…Also my first screen shot !! I see that it does not have .App next to it
Most likely because you have Finder's preferences->Advanced->Show all filename extensions unchecked. Check it, log out, and back in and all the apps should display the .app extension.
Now, back to your problem. If you installed the Security Update 2012-004, it failed to update Mail to 4.6; thus, your problem. Manually DL it from http://support.apple.com/kb/DL1586 and reinstall it.

Can't send mail after mavericks upgrade

MacPro user (mid2010)
I am using a third party email address and am currently with O2 Broadband. Since upgrading to Mavericks, I am unable to send emails using the Mail app.
My outgoing mail server is: relay.o2broadband.co.uk
And I'm using the default ports.
I am aware that O2 Broadband customers are being moved over to Sky but my account is still with O2 right now.
I can send mail just fine on my Laptop which is still running OSX 10.7 so I'm fairly convinced this issue has something to do with Mavericks.
Anyone else suffering the same issues? I'd really appreciate any advice anyone can offer.

Before I finally got it working (and I'm not even sure how), I tried PostBox and Airmail and had the exact same outgoing mail problem. So it appears that there is something more fundamental in the OS happening. From a couple of these other threads (and I read them all out of desperation...) it sounds like there's some funky sync thing that has to happen with certain host email configs, and Mavericks doesn't do it perfectly at first. Somehow (yes I'm showing my tech ignorance) some configs require a login to IMAP/POP3 immediately before allowing access to the SMTP to send, presumably in another attempt to block sending spam by third parties. The timing of the dual login has to be tighter in Mavericks? But this aligns with my experience in that an account (I had three that had problems) would receive an email and them boom the SMTP would work. So I tried sending an email from my phone to be received on the problem account and tried to send from that account right at the same time, and somehow it worked. Once it worked, it stayed working. However I still cannot get SSL (port 465) to work - I had to change everything to non-SSL on port 25 or 26. Even though my iPhone and iPad will work...

Can't send mail after AirPort update

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