Problems using smtp server in Mail

Hi, I'm using Mail on my iMac (Leopard) with a POP account for my incoming mail, and an smtp-server for the outgoing mails. Everything works fine.
Now I've also bought a new MacBook. I setup the Mail account exactly the same as on the iMac. I can recieve mails, but not send them? When I use Connection Doctor in Mail I get green markers for both incoming and outgoing servers. It says that the connection with the smtp server is fine. Still when I try to send mail it gets stuck in "Sending...", no error messages, nothing.
When I go back to the iMac, I can still send without problems.
Anyone have any solutions?
I can add that if I connect my 3G module for mobile internet to the MacBook and change the smtp server accordingly to that service provider, it sends mail without problems.
Message was edited by: drzeto

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.

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SMICM error while sending mail using SMTP server

Hi All,
We are not able send mails using SMTP server.
We have made every settings necessary in SCOT, SO16 , SMTP service is activated, default domain is maintained etc
Only things which seems to be wrong is in SMICM trace file.
[Thr 13] *** ERROR => NiBufIConnect: non-buffered connect pending after 5000ms (hdl 29;10.26.24.44:1090) [nibuf.cpp 4608]
[Thr 13] *** WARNING => Connection request from (0/1/0) to host: 10.26.24.44, service: 1090 failed (NIECONN_REFUSED)
[icxxconn_mt.c 2321]
This error is getting repeated in it.
BUt I am not sure why it it trying to hit 10.26.24.44, as we dont have any server by this ip. The ip is only not resolvable from the server.
1 more thing, at OS level, following parameter is maintained in profile :
icm/server_port_1 = PROT=SMTP,PORT=25000,TIMEOUT=180
But in SCOT, under SMTP node PORT is given as 25.
Kindly let me know what going wrong here?
Thanks

also getting error as follows
Error: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1
Authentication Required. Learn more at
at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response)
at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, String from)
at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, SmtpFailedRecipientException& exception)
at System.Net.Mail.SmtpClient.Send(MailMessage message)
at ST_c121e07caaa94c21bb1355d4f753112f.vbproj.ScriptMain.Main()
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
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at System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, CultureInfo culture)
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Mail to blocked SMTP server stalls mails to other SMTP servers

Hi,
I have a particularly weird problem.
In Mail.app I have a Mobile Me account, a personal IMAP account and an Exchange account (working over IMAP etc. as it's Exchange server 2003 so I don't get all the fruity Snow Leopard/Exchange goodness).
The problem I have is this- in the office they block access to external SMTP servers (quite rightly).
If I send a mail through my Mobile Me or personal IMAP account and forget to tell it to use the internal work SMTP server then Mail.app will sit forever trying to connect to the external SMTP server and never time out (or if it does timeout it must be more than a few hours).
This isn't a huge problem in and of itself. However from this point on any mail I send will sit behind the stalled e-mail in the queue and never go out- so even my internal mails hang around not sending.
The only indication of this is the non-stop spinning wheel on the sent items folder and the never-ending 'Connecting to smtp.me.com' in the activity window.
The only way to resolve this is to go to the activity window and cancel all connections to the offending SMTP server. At that point the 'Outbox' folder will appear in my folder list and show me all of the e-mails it hasn't sent. I then have to open each one individually and click send again, at which point they go out (provided they still have the correct internal SMTP server selected).

Ernie,
Thanks for the response. I have previously seen Mail.app fail to send and bring the message back up telling me this- but that usually happens quite some time after trying to send, if at all, and I don't recall ever having this error happen in the office (where they are blocking these ports).
I have had similar issues when travelling and trying to send through hotel networks that typically block port 25- even then I rarely get a failure message (note that this has been happening both on 10.5.x and my clean install of 10.6.x)
I did check to see if the network here was doing some spoofing on SMTP ports but it isn't;
#####:~ #####$ time telnet smtp.me.com 25
Trying 17.148.16.31...
telnet: connect to address 17.148.16.31: Operation timed out
telnet: Unable to connect to remote host
real 1m15.019s
user 0m0.002s
sys 0m0.003s
I get the same 1m15s timeout on port 465 & 587, yet Mail.app never seems to give up trying.
I tried sending to an external SMTP server without SSL to see if the behaviour was any different- but after 15 mins it's still trying so I guess not.
Weird.

Can someone help me send mail using SMTP server?

I am having the most frustrating problem with SMTP outgoing email account. I use GoDaddy's Webmail (smtp.secureserver.net) and I receive all my emails through Apple Mail but I cannot send any. I haven't been able to for about two weeks now, aside from 3 or 4 fleeting windows of time when I could. Almost all of the time I try to send my emails, an error message says my outgoing account is offline. I've been on the phone with GoDaddy's tech support three times this week and did everything we could think of, which include these steps:
-Force Quit Apple Mail --> Restart Computer
-Change Default Ports to a specific one and uncheck "Use Secure Sockets Layer (SSL)"
-Check "Use only this server"
-Delete account completely from Apple Mail and re-load (which I had to go into Time Machine to recover messages, and lots a bunch in the process ugh!)
Nothing works! I depend on this email for my business, and I rely heavily on Apple Mail for this account. All of my other email accounts that I pull through Mail work fine, but of course they are not SMTP outgoing. Please help...I feel like I've tried everything and nothing works permanently.

At this point there are 2 possible causes to your problem:
Apple Mail
Connectivity between you and the SMTP server
I can't help with (1) as I use Thunderbird as my mail client (the biggest advantage being I can take my mail files and move between different versions of Mac OS X). If you suspect that your problem is due to Apple Mail, then using another email client to send a test message will prove the point. If it works, then the problem lies with Apple Mail and somebody else will have to chip in. If it still fails, then there may be connectivity issue between you and the mail server.
If you google "telnet smtp test" (without the quotes), you will find many articles showing you how to test an SMTP connection using telnet. Don't be put off by the fact that many of the articles assume you are running Windows. The only Mac bit you need to know is that telnet is a command line utility accessed via Terminal. The rest is generic.
Telnet will allow you to interact with the mail server a line at a time and show you exactly what and where the problem is. If you get an unexpected response from the server, go back to GoDaddy and show them the output. If you don't get any response at all (i.e. "telnet smtpout.secureserver.net 25" just hangs), then take it up with your ISP as you are simply not getting through to the server.
Good luck.

Smtp-server (outgoing mail) problem on MAIL

Time Warner/road runner technician cannot figure out m youtgoing (smtp) email connection. No way of authenticating the smtp-server.nyc.rr.com. The Apple=software on my new Mac mini is too advanced for TW help site. They told me to solve "smtp-server problem" though MAC mini help site.
How can I get the smtp server to work so that I can send out my emails on my mac-MAIL program
Irene Schmied

what is the smtp server info they have told you to use?
in Mail>preferences>accounts, make sure your TW account is selected in the left hand side of the window, then go to the Account Information tab, then go to the Outgoing Mail Server (SMTP) option at the bottom of that window, click on it, and go to Edit Server List, what is showing as server name? an if you click on Advanced, what is the server port, is SSL checked, and is authentication set to password, and if so do you have the user name and password entered?
let me know

Send a mail using smtp server

i'm new to java mail api
i'm using a machine which is in a network under a proxy server and a fire wall.our network has a smtp server.
i tried to send a amil using a smtp server.
my codes are
package mailtest;
import java.util.Properties;
import javax.mail.Session;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.InternetAddress;
import javax.mail.MessagingException;
import java.io.*;
import javax.mail.Message;
import javax.mail.Transport;
public class FirstMail {
String mailServer;
String host;
public FirstMail() {
//global
mailServer="mail.smtp.host";
host="mail.informatics.lk";
// Get system properties
Properties myProperties=new Properties() ;
// Setup mail server
myProperties.put(mailServer,host) ;
myProperties.put("mail.smtp.auth", "true");
// Get session
Session myMailSession;
myMailSession=Session.getInstance(myProperties,null);
//myMailSession.setDebug(true);
// Define message
MimeMessage message=new MimeMessage(myMailSession);
// Set the from address
//try {
try {
message.setFrom(new InternetAddress("[email protected]","CHANAKA ARUNA"));
catch (UnsupportedEncodingException ex1) {
System.out.println("CAN NOT SEND FROM");
catch (MessagingException ex1) {
System.out.println("CAN NOT SEND FROM");
// Set the to address
try {
message.addRecipient(Message.RecipientType.TO, new InternetAddress("[email protected]"));
catch (MessagingException ex) {
System.out.println("CAN NOT SEND TO");
// Set the subject
try {
message.setSubject("RE:$$$$");
catch (MessagingException ex2) {
System.out.println("WRONG SUBJECT");
// Set the content
try {
message.setText("***chanaka***");
catch (MessagingException ex3) {
System.out.println("WRONG MESSAGE");
// Send message
try {
Transport.send(message);
System.out.println("MESSAGE SENT");
catch (MessagingException ex4) {
System.out.println("UNABLE TO SEND");
public static void main(String[] args) {
FirstMail firstMail1 = new FirstMail();
it was not work, but when i use the ip address of smtp server instead of mail.informatics.lk at
host="mail.informatics.lk";
it worked properly and i could get a mail to my yahoo address.
but i have seen some have used host name like
host="smtp.snet.yahoo.com";
how can i do it using yahoo smtp server.
also i want to know whethr i can use that our smtp server from a computer outside of the net work.
pls help me
txs lot.

Almost certainly, if you are behind a proxy server it will only be a proxy for HTTP traffic, and you will not be able to communicate with an SMTP server outside your network. But you have your own SMTP server so why would you want to?
If you have a proxy server and an SMTP server then there will be people responsible for supporting them. Talk to those people and ask them to give you the basic explanation of networking that you need.

Using SMTP server

Hi
i am using tomcat-apache to send a mail from a jsp-servlet
everything is fine with the code, but i am suspecting the settings of smtp server,
i got this error:
ENCOUNTERED EXCEPTION: javax.mail.SendFailedException: Sending failed; nested exception is: class javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25; nested exception is: java.net.ConnectException: Connection refused: connect
javax.mail.SendFailedException: Sending failed;
nested exception is:
     class javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25;
nested exception is:
     java.net.ConnectException: Connection refused: connect
     at javax.mail.Transport.send0(Transport.java:218)
**it was more but i trimmed it**
can any one help me to set up a smtp server and how to use it in my program, i know very little about smtp server
thanks
siv.

It looked like you might have got the hostname wrong
// set up the session properties
Properties props = new Properties();
// find out the host name from you system admin
props.put("mail.smtp.host", HOSTNAME);

Connexion problems to POP server with mail but not Thunderbird...

Hello guys !
I have a problem with the server of my lab.. the connexion between Mail and the server doesn't work any more (used to work very nice a few weeks ago) and Mail say that the connexion to port 995 or even 110 was not possible because of a delay... do you know something new about such a problem ?
fact is, it works on thunderbird with the same settings and works sometimes with Mail on the WE (maybe there are less people using the server and it is more rapid ?) and it works all the time from my home...
Any idea about this problem ?
I had an answer on a Mail topic from somebody :
"In your case it definitely sounds like an issue of high traffic on the network (working on weekends, intermittently from home, etc.). It sounds like higher-capacity network hardware or more available bandwidth are needed. Mail.app might be more sensitive to dropped packets or slow connections; I don't know if that can be changed via a config file. You might try posting a separate post to get help from some folks who might know."
maybe his answer is of any help for someone who knows about all this...
Does somebody have an idea why thunderbird works and not Mail.app ? Is there something to do ?
Thanks for your help.
Mat
MBP intel core duo 2Ghz Mac OS X (10.4.10)

hello abd thanks for your interest.
the settings in Tbird are simple connexion to internet, no proxy settings... and the port is simply 25...
what is strange is that Mail.app used to work in my lab without a problem... I think the lab network (it's a special network for laptops...) is too slow, because it works in the morning and during the week-end... is it possible to change the setting in mail for the connexion ?
i'm getting mad with this problem.
Mat

Cannot send messages since updating to Thunderbird V 31.3.0. The message could not be sent using SMTP server for an unknown reason. Help?!?

Mail provider - Network Solutions
ISP - Comcast
Anti-Virus - Kaspersky Internet Security 2013
OS - Windows 7 Home Premium, Service Pack 1
Outgoing Server SMTP settings attached.
I can receive messages and can send them directly from Network Solutions just unable to send now from Thunderbird. Was working fine until the newest version installed. Haven't changed any settings...

That anti virus? is it Nortons security suite? I think that is what comcast give their xfinity customers but I am not sure what everyone else gets.
Assuming is is the Norton's product go into the firewall component and explicitly allow Thunderbird unrestricted access to the internet. Norton's product have a long history of blocking new releases of mail programs because the version number changed.
Go onto the SMTP setting you have in the image and make sure each has a description entered.
Now check in the account settings by clicking the account name in the list so you select the item about Server settings for each account and make sure the selected SMTP server is what you think it is. Now there is a description that will show in the list.

I'm getting an error on my SMTP server in mail

although the connection test is ok. I can't send any eamil using the SMTP server that my ISP has listed for my area

Of course we can't. You've provided absolutely no information for us to even begin to help you.

Problem with unchecking secure sockets layer checkbox in outgoing SMTP server Apple Mail / Mountain Lion

After installing Mountain Lion my mail was converted and all my messages showed up, however, when I try to send I get an error. I have traced this error to the fact that Apple has automatically checked the box "Use Secure Sockets Layer (SSL)" in my Apple Mail preferences even though it wasn't checked before upgrading. Now whenever I try to uncheck it it keeps filling itself back in. I have tried to delete that outgoing server and readd it and it continues to check the box.

Hi
I have a similar problem here i have work accounts which do not need the SSL ticked but when I uncheck the box and in a few seconds the tick is back up again sometimes I have to click about 10 times or so for it to stay off. I tried to do your sollution it did not work on your suggested port but seemed to work on the 25 port . Also I found i only have the problem when I am at work were we are on a PC network and firewall. It seemed to work fine on a normal home line. Also it only happens on Mountain Lion I have a older macbook with snowleopard and there i have not problems sending messages
as right it was said Apple needs to look into that ASAP as it is very frustrating

The solution to our SMTP server / outgoing mail problem

Recent security-related revisions to our ISP's system (ATT-YAhoo) have required users to verify 3rd party e-mail accounts.
We learned, after several weeks and dozens of false starts, that the characters in Apple mail's account information fields (accessed via mail preferences: i.e. the Description field, e-mail address, user name, etc.) ** must be entered in lower case **
Upper case characters will generate a "rejected by server" error message. Eliminating upper case characters from all of these fields corrected what had become an extremely frustrating problem.

Thanks for the tip!

Problem using Win 8.1 Mail app with corporate email account

I have a client where most of the PCs are running Windows 8.1 with Office 2013 installed and an on-premise Exchange 2013 server.
Even though they've been using Office 2013, now that they have Win 8.1 the staff now like to use the included Mail app for all their email as they say they get better notifications with it and some other "goodies" that Office 2013 doesn't provide.
It's been working okay for them as I haven't heard of any problems. Until now. Their domain passwords are expiring and when they change the domain password they have no problem with the PC itself and domain access and Outlook 2013 still works fine.
But now they're getting errors trying to continue to connect the Mail app to Exchange 2013. They keep getting a popup asking for credentials, their domain accounts get locked out (imagine that) after too many wrong logins I presume by the Windows 8.1 apps,
and when they do get the Mail app connected they see an error in the lower right corner of the window about a problem with the certificate. It says something about the name of I think the server not matching the certificate.
The cert is from GoDaddy and I know the names involved with the cert are correct. But that's the minor issue.
The main issue is with getting the 8.1 apps, particularly the Mail app, to recognize the updated domain password.
I have a Windows 8.1 VM setup and on the domain but when I try to configure it to connect to the Exchange server I get the error "Unable to connect. Ensure the information you've entered is correct."
It's pretty obvious what is supposed to go in each field so I'm sure I'm filling it out correctly. But because of this I can't use this test VM to work on the problem.
If anyone has an idea of how to deal with the Windows 8.1 Mail app and Exchange and changing the user domain password, I'd be appreciative of the help.
Jonathan

Hi,
Thanks for your feedback.
With 8.1, you can now use the Mail app without having to have a Microsoft account.
A Microsoft account is an email address and password that you use to sign in to Windows. It's free and easy to set up, and you can do so with any email address you choose, or get a new email address. (For example, you can use an Outlook.com, Gmail, or Yahoo!
address for your Microsoft account.)
However, you must sign with an email address.
Any way, if you have any other problem, welcome to contact us.
Karen Hu
TechNet Community Support
That is one way you can sign into Windows but not required. As I stated earlier, these PCs are domain joined and that's how they login to them. As for the Mail app, 8.1 means an MS account isn't required anymore.
Jonathan

Can no longer authenticate SMTP server in Mail

After updating to 10.4.3, the httpmail plugin stopped working in Mail, so I downloaded it again and reinstalled it. Unfortunately, as I have read in many other posts, httpmail doesn't work well with 10.4.3. That part I can deal with. However, Mail was then not responding to a POP Road Runner account. It wasn't sending or receiving mail, but it didn't give any errors. It just did nothing. I would have to force quit whenever I wanted to quit the app.
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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.

Problems with ical server and mail

I have a Mac Mini with Mac Os X Snow Leopard Server. I have a external mail and when I receive a invitation ever it adds to local calendar, but I want to add in server calendar. How to configure it for add invitation to my server calendar?
Another problem I have with calendar that's I can't send invitation to contacts I have added in CardDav Server, just I can send invitations to local contacts.
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Message was edited by: jvcapo

this is a big pain in the ***, bug!
when you have more than one calendar account (lets say one local one CalDAV iCal starts doing silly things.
what i found that worked is click on the calendar you want the event to be in and drag the .ics to iCal from Mail and drop it on the calendar (in the middle of iCal NOT the Calendars name)
i have write up a bug report to apple so hopefully it gets fixed now that MobileMe uses CalDAV.
seems to be a problem that mail app doesn't see CalDAV calendars.

Problems using smtp server in Mail

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