Can't send mail but connection doctor says server is ok

I changed my MS Exchange username from [email protected] to [email protected] but my email address remains [email protected] So I changed my account settings (I have the exchange account set up as IMAP. I can receive messages but I cannot send. I have checked the settings a thousand times, they are correct. The funny thing is the connection doctor says my outgoing mail server connection is good "Connection and login to server succeeded", but when I try to send send a mail I get "Unable to send mail, check x y z" I don't remember the error exactly because now the send button is just grayed out when I try to send from that account.

I installed Eudora and imported my mail settings from Apple Mail. I did NO entry of the server settings, it came directly from Apple Mail. I can send from Eudora but I cannot send from Apple Mail. Go figure.

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I can´t send mails- the connection to my server "times out"

The app. tries to connect to the server but keeps on timing out. i have tried 2 servers to no avail

https://support.mozilla.org/en-US/kb/cannot-send-messages

Mail won't send but Connection Doctor says smtp account OK.

Mail won't send but Connection Doctor says smtp account OK.
I can receive mail but can't send it from Mail 3.5. Same problem on a wired G5 and on a wi-fi MacBook (using the same account), so not hardware related. Worked fine 'till today - I didn't change anything in between times. Incoming mail no problem. Tried mail rebuild, keychain first aid, deleting the account, repair disk permission - doesn't help.
Mail's connection doctor says "smpt.xxxxxx - connection to server succeeded, no login required."
Anybody any ideas? Thanks, N

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.
ideas?

Message says: "can not get mail, the connection to the server failed" . Now I'm confused because all the mail shows up perfectly.

I just upgraded to the 5s. I have several mail accounts and I'm getting a message that says: "can not get mail, the connection to the server failed" . Now I'm confused because all the mail shows up perfectly.

Well it does it every time I go to mail and is driving me nuts. It never happened on my iPhone5, just on this 5s.

Can't send mail, get message: the smtp server rejected the password. I tried lock and unlock keychain. I tried unlock captcha. Gmail works okay, it is Mail that does not. Help!! :(

Can't send mail, get message: the smtp server rejected the password. I tried lock and unlock keychain. I tried unlock captcha. Gmail works okay, it is Mail that does not. Help!!

Hi
You need to check with your ISP whether or not the send mail server (SMTP) requires a password. Some do, but many do not. When you know the correct password to send mail, then you need to tell Mail as follows:
Mail menu > Preferences > Accounts > Select the account
Click on the Outgoing Mail Server (SMTP) combo box, and select Edit SMTP Server List...
In the Account Information tab put the server name
In the Advanced Tab, set up the authentication information from your ISP.
Good luck
Bob

My ipad can not get mail. the connection to the server failed. Even I follow ipad2 help and check everything.

my ipad2 can not get mail. the connection to the server failed. even I follow ipad2 help and check everything

Well it does it every time I go to mail and is driving me nuts. It never happened on my iPhone5, just on this 5s.

Email intermittently says it can't connect to the server but connection doctor says I'm connected

I have both my Yahoo and work email accounts on my MacBook Pro. Intermittently, my work email refuses to send, giving me the error message that it can't connect to the server. Connection doctor says work email is connected to the internet, and some emails will go while others won't. Have checked server settings agains my Iphone, and they are identical. No problem emailing from the phone. Help?

Please follow these directions to delete the Mail "sandbox" folder.
Back up all data.
Triple-click the line below to select it:
~/Library/Containers/com.apple.mail
Right-click or control-click the highlighted line and select
Services ▹ Reveal
from the contextual menu.* A Finder window should open with a folder named "com.apple.mail" selected. If it does, move the selected folder — not just its contents — to the Desktop. Leave the Finder window open for now.
Quit and relaunch Mail, and test. If the problem is resolved, you may have to recreate some of your Mail settings. You can then delete the folder you moved and close the Finder window. If you still have the problem, quit Mail again and put the folder back where it was, overwriting the one that may have been created in its place. Post your results.
Caution: If you change any of the contents of the sandbox, but leave the folder itself in place, Mail may crash or not launch at all. Deleting the whole sandbox will cause it to be rebuilt automatically.
*If you don't see the contextual menu item, copy the selected text to the Clipboard (command-C). In the Finder, select
Go ▹ Go to Folder...
from the menu bar, paste into the box that opens (command-V). You won't see what you pasted because a line break is included. Press return.

Can't send mail, but still receive it, why?

I can no longer send mail from my computer, but I can still receive it. What is going on? This happened to my laptop first, but then seemed to just cure itself. with np intervention. Is this possibly the result of iCloud being hacked as reported in the papers? I would most appreciate any help in correcting this situation. (I've already run Disk Utility, repaired permissions and rebuilt the directory with DiskWarrior - - but these did not fix the problem.

Troubleshooting Apple Mail
What does Mail/Window/Connection Doctor Show? If the server is red, select it and look at the Show Details box.
Troubleshooting sending and receiving email messages
Troubleshooting sending email messages

I can´t send mail but I can recive

excusme for my english, my problem is that I can recibe email, but I can-´t send email to other count, p.e. hotmail etc., and when I send an email to another user of my server, he recibe the email, but the adress is [email protected],
My nat is ok, I went to www.dnsreport.com an all is ok, I undestand that my dns is ok, but I don´t know how to change the @www.senedrac.info
my config is
Welcome to Darwin!
127-131-155-85:~ jose$ postconf -n
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debugpeerlevel = 2
enableserveroptions = yes
html_directory = no
inet_interfaces = all
mail_owner = postfix
mailboxsizelimit = 0
mailbox_transport = cyrus
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
mydomain_fallback = localhost
myhostname = senedrac.info
mynetworks_style = host
newaliases_path = /usr/bin/newaliases
queue_directory = /private/var/spool/postfix
readme_directory = /usr/share/doc/postfix
relayhost = [email protected]
sample_directory = /usr/share/doc/postfix/examples
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpdtls_keyfile =
unknownlocal_recipient_rejectcode = 550
127-131-155-85:~ jose$

It sounds like you have more than one issue.
First.. let's just look at sending mail to outside addresses....
You have relayhost setup with an improper setting. relayhost should either be blank, if you want your server to make delivery- or it should contain the host name of your ISPs smtp server (something like smtp.isp.com). You currently have an email address in this field, that won't work.
The next issue is not real clear to me. You may need to clarify.
You say that the recipient sees "[email protected]" as the return address? The return address is set in the mail client. If you are using a mail program (Mail.app, Entourage, etc), then make sure your email address is set properly. If you are sending from WebMail, then let me know and I'll send directions to fix it.
Please provide additional information.
Specifically, try to isolate what appears to be two separate issues
1. Can not send mail to outside addresses
2. Mail sent to internal addresses is successful, but shows wrong return address
Is that correct?
Jeff

Can no longer send mail after upgrade. Says server needs password. Server says down not support a password. Any thoughts?

After up grade I can not send mail from road runner account. Message says server needs password, server says it won't support a password. Any thoughts?

UPDATE: I was able to set up the account using Eudora, and it worked fine. I guess it means that there's something funny happing with Mail.

Can't send mail, but can receive!

Error message when I try to send email - "This message could not be delivered and will remain in your Outbox until it can be delivered.
The connection to the server "smtp.mac.com" on port 25 timed out."
I would be very grateful for any clues as to what is wrong here. (I have to go online and use .mac to send mail. )
Thanks,
Kevin

It's gotta be an SMTP ports issue. Try going to Mail on your Mac, and from Help, select 'send and receive problems". You'll see info on troubleshooting Internet provider blocked SMTP ports.
BTW, watch out for Royce's misspelled 'SMTP' in host name (typo).
Message was edited by: Chas Hulme

Can't send mail when connected to vpn

I'm hooked up with a private vpn service using OpenVpn. Everything works beautifully -- except that I can't send mail (receiving is no problem) because the SMTP ports offered through Mail 4.5 (ports 25, 465, 587) are blocked by many VPN providers as an anti-spam measure. I can't use port 993 with SSL because I live in Monaco, which has one ISP -- and it does not provide or support secure email (which is one of the reasons I want the VPN).
Is there another port I can select for SMTP, or some configuration tricks I'm missing? Thanks...:)

Hello Brian,
Basically this is the VPN group:
crypto isakmp client configuration group open
key (something)
dns 192.168.1.1 8.8.8.8
domain something.com
pool SDM_POOL_1
save-password
backup-gateway 192.168.1.1
max-users 5
netmask 255.255.255.0
banner ^Cyou have connected to the vpn-ings!. well done! ^
I see that you are doing tunnel all, and you are not split tunneling on this configuration, what you can do is to use split tunnel, under this configuration as follow:
ip access-list extended SPLIT_TUNNEL
permit ip XXXXX XXXXX 192.168.1.0 0.0.0.255
XXXXX --> are the inside subnets
Then under this:
crypto isakmp client configuration group open
acl SPLIT_TUNNEL
This will allow you to have access to the internal subnets through the tunnel and have access to internet through the internet connection on your computer.
For further details take a look to this document:
- http://www.cisco.com/c/en/us/support/docs/routers/3600-series-multiservice-platforms/91193-rtr-ipsec-internet-connect.html
Don't use Any on your ACL statements for split tunneling purposes.
Let me know how it works out!
Please don't forget to rate and mark as correct the helpful Post!
David Castro,
Regards,

Can receive but can't send mail via BT Yahoo SMTP server port 995

Suddenly I can't send mail from my BT/Yahoo account but can still receive mail. The message that i get is that it was rejected by the server. I have not changed the server - it is still SMTP via port 995, using SSL. Help!! Why should this have ocurred out of the blue and what do I do?

Hi Dancing Brave,
Thanks for visiting Apple Support Communities.
I recommend starting with the steps in this article if you are not able to send mail:
OS X Mail: Troubleshooting sending and receiving email messages
http://support.apple.com/kb/ts3276
Best,
Jeremy

HT2500 hi - can't send mails but can receive them and use internet - pls help

Hi - please help, I can't seem to send mails but I can receive them and surf the net?

You need to open Mail>Preferences>Accounts>"Account Information" tab>and there input the required information for your Outgoing Mail Server (SMTP). Your Internet Service Provider will have the required information to give you to input here. Make sure that you also click at the end of the line "Outgoing Mail Server" on the arrows to get the dropdown list, and there click on "Edit SMTP Server List" and fill in the data in that resulting window also.

TS3276 Mail is not working. Cannot open new e-mail; cannot send mail. Connection doctor shows green dot in status column. I can't delete old e-mails to free up space.

Mail is not working. I cannot open new e-mail; and I cannot send mail either. Also, I cannot delete past e-mails to free up space. Mailbox seems to hang in general.

OS X version?

Can't send mail but connection doctor says server is ok

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