Cannot Send Email via .mac

I have an iPhone (duh) and a .mac account which I use for all my e-mail needs.
However, last week, the iPhone suddenly lost the ability to send mail. Now whenever I try, I get the following message:
Cannot Send Mail
The connection to the outgoing server "smtp.mac.com" failed.
THE PROBLEM OCCURS REGARDLESS OF WHETHER I'M ON WiFi or EDGE. I've tried everything I could think of to fix this problem including:
- Recreating the e-mail account on my iPhone.
- Syncing the e-mail account settings from my PowerBook to my iPhone.
- Creating a new e-mail account from scratch using "other" and the AT&T outgoing mail server (cwmx.com)
- Changing the outgoing port settings -- trying 25 and 587.
- Trying to send mail with SSL turned on and off.
Any help would be GREATLY appreciated.
Best,
Marc

same problem and tried all the remedies!
except in the uk on O2 but still with a .mac account

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Cannot send emails via outlook 2011

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Cannot send emails in Mac Mail using third party SMTP via BT Infinity Broadband

EUREKA!!
I have a Mac Book Pro and recently had my home broadband upgraded to BT Infinity. Prior to this upgrade sending emails via my Mac mail was working perfectly. Since the new installation I could no send any external emails using the Hotmail.co.uk or 123-Reg.co.uk smtp outgoing servers. Googlemail.com was ok.? very strange.
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So after many hours wasted messing around, I managed to get the right person at the right time via BT helpline in the UK not India. (India helpine just say "we are not trained in Apple".
So the very polite man from UK Helpline provided me with the solution.
GO TO > Apple Icon top left > System Preferences > Network > Wireless >
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BINGO!!!!
I hope this helps someone, as I know how painful these types of issues can be.
Cheers

Hi Haggie
Had a similar experience but couldn't work out why macbook was working and imac not. I hate verification with bt. Anyway, tried your method and as you say eureka! Did have imac plugged in before and put it on wifi to try your fix I will try plugging broadband back in to see if that works and will post back but at the moment just enjoying the moment!
Just to say a big thank you for not only sorting the problem out but equally importantly posting the answer! Too many people sort out their problems without letting other people know how!
Many thanks

After update, cannot send email via any accounts! Please help!

First of all, thank you for reading my thread.
After updating few days ago, I cannot send any email via any acounts. I have .mac email and yahoo email. But I still can receive emails. I have checked message borad, it said "Some members experienced difficulty sending .Mac Mail via computer email applications from 3:30 am to 6 am Pacific Time. Normal service has been restored." But mine hasn't!!! It has been almost a week!!
The erro message says "cannot send email using this mail server, please choose one of the following server and retry again"
My english is not very good, I hope you understand my question and any help would be appreciated, thank you again.

Thank you very much for your reply!
This is what I got:
PING smtp.mac.com (17.250.248.45): 56 data bytes
--- smtp.mac.com ping statistics ---
10 packets transmitted, 0 packets received, 100% packet loss
PING mail.mac.com (17.250.248.152): 56 data bytes
--- mail.mac.com ping statistics ---
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Hello!
I have had a problem ever since I upgraded last year to Tiger. I have Juno, and ever since I upgraded from Jaguar, I cannot use the Juno software to log on. But more annoying that that (I have a work around that works just fine), I cannot send email from my mac mail. If I want to send an email or respond to an email, I have to physically log onto Juno's website and email and write and send from there. I have contacted Juno numerous times, and they tell me to reset my password, which makes no sense to me. Any Ideas?

Regarding not being able to send mail with your .Mac account and .Mac SMTP server, most if not all ISPs used for connecting to the internet block the use of SMTP servers outside of their network on Port 25. Some ISPs allow the use of an authenticated SMTP server only (such as the .Mac 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 or reduce spam eminating from the ISP's domain.
Something to try.
Go to Mail > Preferences > Accounts and under the Account Information tab for your .Mac account preferences at the SMTP server selection, select the Server Settings button below.
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Cannot Send emails from Mac Mail

I cannot send emails from my Mac Mail.
Originally got a error message to check with the ISP about port 25 being
timed out. I deleted the email account and recreated it a new.I did all the
checking and rechecking of the account settings and passwords etc.......
I then got this message
Error message: Server response was 5.1.0 authentication required
Comcast did not know the error message 5.1.0
Help!
Thanks,
Roberta

Hello Robertaa,
You may want to have a look at this topic with support offered by the user "David G" that might apply to your situation.
hope that helps some,
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Cannot send email via Hotmail through port 587 with Secure Connection (SSL) set

Something is blocking my attempts to send email (with Outlook Express) via my hotmail.com account. The error I receive is as follows:
Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity. Account: 'Hotmail', Server: 'smtp.live.com', Protocol: SMTP, Port: 587, Secure(SSL): Yes, Error Number: 0x800CCC0F
When Hotmail.com first changed over to a POP3 server (Sept 2009), I could send emails through them using port 587, which they require. But then something happened, with no changes on my part, to disable my ability to send.
I have checked and rechecked my Outlook Express account settings. I can send email through another third-party mail account (at 1&1 Internet.com) using port 587, which does not require setting SSL to yes. I can also ping the Hotmail SMTP server via port 587 and receive a response from it.
I connect to Verizon DSL via a Westell 327W modem/router. Clearly it is not blocking port 587 without SSL. Does it have the capability to block SSL traffic? Or is the Verizon server the culprit, not allowing emails to be sent via Hotmail.com?
Two different computers on my LAN have the same problem sending emails via Hotmail.com. I have tried everything the Hotmail people have suggested; at this point they think it is an ISP problem, hence this post. This problem doesn't make sense to me and is driving me crazy. Can anyone help me with this?
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You can still have your reply address set to your hotmail address. And you don't have to really remember to do anything. Configure your client for the HOTMAIL account with Verizon's outgoing server. It will automatically send via Verizon. You don't reveal your verizon.net address, you are just using their server to transmit.
If a forum member gives an answer you like, give them the Kudos they deserve. If a member gives you the answer to your question, mark the answer as Accepted Solution so others can see the solution to the problem.
"All knowledge is worth having."

Cannot send email via ActiveSync when user connect from Internet (Exchange 2010 SP3 RU5)

Hi All.
This is the first time I encounter this kind of issue, whenever user connect from the internet they cannot send email from their Phone or Windows Mail App, but they can retrieve email
But when they connect from Internal Network they can send email. I already test ActiveSync from internet using www.testexchangeconnectivity.com and it pass all tests.
I also check the Firewall and all the necessary ports already opened (we even open all ports) , the default TTL on the firewall 3600 second.
From what I read ActiveSync use some kind of HTTP POST or in MS terminology "PING" command, but still have no idea what kind of configuration that should be made to the Firewall so it can pass this "PING" command. Because from what I
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Hi ronaldosy,
How about the work flow of Outlook or OWA on PC internally/externally?
If only phone has this issue, I suggest ask ActiveSync Forum for help so that you can get more professional suggestions. For your convenience:
http://social.technet.microsoft.com/Forums/exchange/en-US/home?forum=exchangesvrmobility
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Allen Wang

Cannot send email from mac account on iphone

i'm getting error CANNOT SEND MAIL ...the connection to the outgoing sever "smtp.mac.com:myaccount" failed. I'm able to sent email from other email account ie. yahoo, gmail
thx for your help
Message was edited by: gman1023

You can try deleting the account on your iphone and setting it up again.

Old but new Q: Cannot send email from Mac Mail application but computer tells me I'm online

I know this is an "old" issue for many, but I cannot find the solution to my problem.
A couple of months ago I moved to a new flat--suddenly I could not send emails anymore from my Mac Mail app, although I could receive them. I called Comcast, my Internet provider, who said it was my email server's problem. My email server is icloud, so I talked to a Mac tech guy who did remote desktop troubleshooting and said everything was set up correctly, etc., so I will have to talk to Comcast again. I called Comcast again and they told me again, it is not their issue.
So this is what happens: When I try to send an email, I get the spinning circle in the mailbox bar, and then it tells me after five minutes of spinning that icloud is offline. However, when I do a further check of the diagnostics, the light is green and says that yes, in fact I am connected/online. Note: I can send and receive fine on webmail, but I do not want to keep using webmail at home. It is very inconvenient.
I called Mac support again, and they told me I should find my solution online; otherwise, I can pay $20 to have someone remotely troubleshoot for me. Of course, I could not find the answer online. I am quite frustrated and annoyed at this point. Is it a port issue? Is it an OS issue? Mind you, I only have this problem at home, nowhere else. I take my laptop to a café, to a friend's place--I can send emails just fine. This leads me to believe that it's a Comcast issue, although they deny it.
Any thoughts would be deeply, deeply appreciated! Thank you!!

How about some free much-needed advice on how I can
start receiving emails again!
This indicates you were able to receive email with
your Verizon account previously with the Mail.app?
If so, try running Keychain First Aid on your login
Keychain.
http://docs.info.apple.com/article.html?artnum=151548
Open Keychain Access, located in
Applications/Utilities.
Choose Window > Keychain First Aid.
Select your login Keychain, enter your password,
select Repair and then Start.
This is Trevor from the first post and I figured it out:
Go into mail - preferences - and delete the email account in question - the window will tell you that you'll lose all your saved mail, etc - you can save it if you like.
Then click on yes and you create a new mail account using your same incoming/outgoing settings. And, like magic, it works!
Try it - and if you want to save any mail before deleting your affected account, do it.
All the best!
Trevor "

Cannot send emails from mac email address

Over the past 24hrs I am unable to send emails from my ibook and sporadically from my iphone. Please advice what the settings should be for SMTP and port. I think this might be the problem but I am unsure. I have a mac email address. I can send emails from my icloud account. Any help would be appreciated. Thanks

Wow, after research I can't believe what a problem BT is!???
This post by vanessa seems to have gelped many that could not send...
Just set up my macmail with the help of the BT guys after a year of struggling! Hopefully this could work for others for whom the emails will receive but NOT send....
Set up your 3rd party domain names via the mail relay system and confirmed via BT. Then try these settings.....
In your @btconnect.com email set its up using these:
incoming mail server: pop3.btconnect.com
username: the bt email
password: the bt email password you supplied
outgoing mail: we'll come to this!
on the drop down box next to Outgong mail server (SMTP) select 'edit SMTP server list'
press '+' button and add these details....
In the Account information tab:
Description: mail.btconnect.com
Server Name: mail.btconnect.com
In the advanced tab:
Select 'Use default ports'
Authentication: Password
username: the bt email
password: the bt email password you supplied
NOW The next bit, the 'second' server....
press '+' fro a new server add these details....
In the Account information tab:
Description: second server (or any name you want)
Server Name: mail.btconnect.com
In the advanced tab:
Select 'Use default ports'
Authentication: NONE!
Now on all your email addresses back in the accounts section, set the SMTP server to 'second server' (or whater you hae called it) NOT mail.btconnect.com and select Use only this server.
http://business.forums.bt.com/t5/Email/How-to-Set-Up-Mac-Mail-OSX-Lion-inc-mail- relay-Message/td-p/30323

Cannot send email via AOL on iPad2 - "A copy has been placed in your Outbox. Sending the message content to the server failed."

My CEO has an ipad2 and I set it up w/ AOL. She cannot send any email via her AOL account from her iPad. She gets a message that says "A copy has been placed in your Outbox. Sending the message content to the server failed." We've tried it on wifi and on 3G (Verizon version). I've removed the account and added it, I've tried setting it up as an IMAP account vs. using Apples standard AOL mail setting and nothing seems to work. The SMTP settings are smtp.aol.com, port 587. I've tried adding an alternate server/smtp, but I haven't been able to find anything that works. Any advice or other people having this issue? It works fine sending an email from her aol web mail. And unfortunately, having her sign up for a gmail account is not an option. Thanks

Interesting. Firstly I have been on AOL since the early 90s with no current intention to switch as my primary personal email account.
I have two email accounts on my iphone - AOL and my email from my business website. I deleted both and then recreated first the business account and then the AOL account. Same error. Then I wasn't sure what you suggested but I turned off the AOL SMTP server and selected the business email SMTP server by turning it on with the same result. I still get the error "A Copy has been placed in your Outbox. Sending the mssage content to the server failed."
Perhaps this problem will get fixed by IOS 6. AOL will not talk to me unless I pay and Apple says its not their problem. So for the time being I use the AOL web interface in the iPhone's Safari to send emails from the phone.

HELP! HELP! Please.... Cannot send email via SMTP....

Hi,
Not posted here before but this really is a last ditch attempt to get my email working. I'm at my wits end with this.
I reported a problem that I could not send mail via SMTP (with Outlook) last December (2014). I kept getting a message from the mail server stating "421 Too many messages". They guys on live chat tried for an hour to get it working, finally gave up and told me to use WebMail instead. Ok, that worked but... in January that went off completely and I found that BT had removed my mailbox from the system!
It's now 19th March 2015. Today, (yes 3 months later) my mailbox finally came back online. At last I could catch up on all my lost messages, lost business and everything else that was important (yep all my old messages were THERE!).
BT support have been useless, in fact, more than useless. I'm abroad working at the moment and I've had to make many international calls to the UK to bitterly complain about this. They won't call me - they will only call a UK number so all the cost, plus the lost business and everything else is at my cost. So, webmail is working. I went to set up my Ouitlook client and guess what...? I have the SAME error message. The client is connecting but error is the same.
421 is a SERVER message which is telling me that the BT Mail server is not configured for enough connections. Either that or it's severely overloaded. This is BT's problem - not mine but all BT have done is fob me off with excuses for 3 months and now I'm back to square one. the support guys have no idea what this message means.
Today I was told that if I wanted it sorted I had to pay for BT Expert help.
What??? I don't need an "expert". I just want them to configure their server properly!
Can ANYONE - anyone from BT please, please help me to get this sorted. I'm tearing my hair out and as you may have guessed by now I'm also very angry about this.
I've tried making an online official complaint but that came to nothing as they told me as it was Outlook they couldn't help. Maybe it was set up wrong. It's not set up wrong - I'm a Network Engineer!! I've set up hundreds of Outlook accounts! The SERVER error message is like a big flashing sign stating that it's a BT issue. Why will no-one listen to me??? Why will they do nothing at all? This problem has been posted many times. Why is it not sorted?
Anyone???
Solved!
Go to Solution.

Yes of course I've contacted the Premium Mail help number. I've called them many, many times without any success at all and since I've been calling from abroad it's cost me a fortune to get nowhere.
These forums are for the BT Community. I'm part of the community since I still have BT services. This isn't a Broadband forum. As I've indicated though, I've been with BT for over 35 years so I think that entitles me to some sort of service - even from here if possible.
There is no issue with my account according to the BT staff. This has been checked and all is fine. The issue is that they are refusing to acknowledge that there is a problem although there clearly is one.
However.... your statement:
It also possible that you are being stopped from using BTs SMTP server, because you are not actually connected to BT Broadband. You would therfore be restriced to using webmail only.
... is new to me. No-one has told me that.
One has to then beg the question: "If you can only use so-called Premium Mail via the web then why are BT not telling people that?" No-one seems to know - even you Keith, say that "it is also possible...."
If this actually IS the reason then I could have been told that from the beginning.
Unfortunately, error 421 is one of the more "unspecific" codes generated by mail servers. This error can mean many things. It can show misconfiguration but it doesn't show up as a security lockdown - even though it could be. What I can't understand is why no-one actually knows. No-one can explain absolutely and that's what is really annoying here.
No-one will take responsibility and no-one is willing to even try to help me out here - that's what is really bad.
Keith, you've come up with something which makes sense that may well explain the issue - but the question is really: "What can I do about it?".
Nothing? I just have to put up with it? Great customer care....

Cannot Send Email via .mac

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