IPhone 3G cannot send mail - Sender address invalid

I can receive email but cannot send it. The error message is "CANNOT SEND MAIL the sender address was invalid". I have turned off Wi-Fi and as well as SSL. Does anyone know a fix?

Was it working before?
Verify that the ISP you are using is not blocking SMTP port 25. If so, try switching your Outgoing SMTP server to cwmx.com (AT&T SMTP server). This option will only send mail over 3G or EDGE.
Check out this article for some suggestions as well: http://support.apple.com/kb/TS1426

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Re: iphone 4 cannot get mail, the connection to the server failed

re: iphone 4 cannot get mail, the connection to the server failed
how do I fix this? thx

Thank you for your quick reply.
The easiest thing for me to do was delete the account on my phone and then add it again.
Thankfully it solved my problem.
I had just updated my phone and my internet service which is why I believe there was a problem.

Send mail problem having invalid address with correct addresses

I used java mail api to send mails. the code is a s below
javax.mail.Session mailSession=(javax.mail.Session)ctx.lookup("java:/Mail");
mailSession.setDebug(false);
javax.mail.Message msg = new javax.mail.internet.MimeMessage(mailSession);
msg.addRecipients(javax.mail.Message.RecipientType.TO, addressToArr);
msg.setSubject(mailSubject);
msg.setContent(mailBody, contentType);
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But if there is an invalid address in the recipient address array, the email won't be sent to the correct addresses as well. i just want to know whther it happens any coding issues or our mail server implementation.

Hi!
You need to activated properties config mail.smtp.sendpartial to true :
// Setup partial mail
props.put("mail.smtp.sendpartial", (new Boolean(partial)).toString());
if the recipient address array have bad address, it will still be sent to good address...
or/and check email address before send mail :
public static boolean isValidEmail(String email)
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Cannot Send Mail Sender Address Rejected by server (Mac Mail)

I am getting this message whenever I try to send mail using MAC mail though my cable provider (COX). It has just started. I can send mail fine from a PC on my network and via at ATT wireless card. But not via cable. I have tried all the obvious things and many things discussed in the forum including:
- Run disk warrior in case there was a file problem
- Delete user info from cox account
- Reset modem and router
- Change outgoing port
- switched from wifi to Ethernet connection
In talking to COX, they say they seem to have some undocumented incompatibilities with Mac mail that appear to be intermittent. He said this is common problem.
I have had this problem one other time and resetting the modem seemed to fix the problem.
Anybody find a permanent solution to this problem.

Well I think I solved it. It appears that the outgoing server information dissapeared. The outgoing mail menue is hard to find go to preferences/accounts.
At the bottom of the page is a pull down menu of different outgoing servers. One of the options is edit. Select this. While my COx account was there the information was no longer there. Filled it in again and everything worked fine.
I must say it took me a while to find where I could adjust the outgiong mail server. Very poor design on Apple's part!

Cannot Get Mail Sending to Work

I cannot get Mail to work for sending on my other computer. (The one I keep using because my Canon scanner drivers work there but not on a "modern" system. Boo to Canon for not updating drivers for 10.6.)
I keep getting these server messages. What's my problem? The port number? What should it be?

I have a message sitting in the outgoing box. When I try to send it I get:
Verify that you have addressed this message correctly. Check your SMTP server settings in Mail Preferences and verify any advanced settings with your system administrator.
The server response was: 5.7.1 Relaying not allowed: [email protected]
You can try to send using a different server. All messages will use this server until you quit or change your network settings.
Below that I have three server choices: smtp.me.com, smtp.me.com:dennis briskin, and smtp.me.com:[email protected] The last one should not work in any case, I believe.

Sending mail from address that forwards to Gmail

Hello,
My situation: I have multiple e-mail addresses that forward to my GMail account. I have set up the accounts such that I can reply FROM the address that the e-mail was originally addressed to when I'm on the gmail website.
Then, I sync'd my Gmail with my iPhone. Now, my native iPhone Mail app only allows me to reply from the Gmail account that is sync'd
Is there any way I can get the iPhone 4 Mail app to send mail from the address to which it was initially addressed (routed via Gmail, perhaps)
Thanks

There is an excellent but imperfect workaround for your problem here:
http://modernerd.com/post/535350679/solved-gmail-ipad-iphone-and-multiple-from
I have formally requested that Gmail make a change in their servers that would make this workaround much smoother. My request is here:
http://andrewphelps.com/2011/03/gmail-feature-request-multiple-from-addresses-on -iphone/

My iPhone 6 Cannot recieve or send group text messages

My iphone 6 cannot send or receive group texts. It was able to send and receive grout texts until the IOS 8.0.2 upgrade. A few texts from throughout the day did come in randomly in the middle of the night, but no other explanation. I have cycled both on and off the imessage and sms message feature while resetting the network settings. This accomplished nothing. This is becoming rather frustrating with all ese different issues.

I've been seeing similar issues. Are you on T-Mobile, and did you turn on Wifi Calling? I found that once I turn that option on, I was not able to send group texts. Turning it off, and then Reset Network Settings would allow me to send group texts again. This of course, is not an ideal situation.

Error Sending Mail to Addresses Not In My Address Book

When trying to send a new email to anyone who IS in my address book, the outgoing mail sends successfully. However, when trying to send a new message to someone NOT in my address book, I get the pop-up window asking me which server to use. I click on the only server address I have set up and it immediately pops the same window right back up, won't send the message, and wants to place it into the outbox folder.
If I go into my address book and add the address I'm sending to, then go back and resend the mail, it goes through successfully.
I don't have this issue with my mail accounts on multiple other macs that we have. Why is the mail application on this one machine causing this annoying error?

bump

Cannot sent mail:error-address rejected by the server

hi,i'm using iphone 4 ios 6.1.3
i'm able to receive mail but not able to send mail through my iphone
it displays the error- a copy was saved to outbox and cannot send mail as it was rejected by the server.
i went through many forums but it didn't help.
i rechecked my settings which are as follows
use SSL-ON
primary server-stmp.gmail.com
authetication-PASSWORD
SERVER PORT-TRIED BOTH 465 AND 587
please help if you consider the settings to be wrong or find any appropriate solution.thanks!

Hello, mannatarora.
Thank you for the question. The easiest way to troubleshoot this issue would be to delete the account and add it back to the iOS device. Below, I have included two e-mail troubleshooting articles.
iOS: Unable to send or receive email
http://support.apple.com/kb/TS3899
iOS: Gmail account will not connect to Gmail server
http://support.apple.com/kb/TS3058
Hope this helps,
Jason H.

Sputility send mail send multiple mails while page freshing in sharepoint web part

hi ,
I am using sputility send mail method to send emails I have configure every thing . when page refreshing I am getting duplicate mail
Srinivas

You can solve that by storing the fact that you've already sent the mail in session state, or client side using sessionstorage (https://code.google.com/p/sessionstorage/)
Kind regards,
Margriet Bruggeman
Lois & Clark IT Services
web site: http://www.loisandclark.eu
blog: http://www.sharepointdragons.com

Iphone 5. cannot get mail. no internet connection available.

I have the iphone 5. My carrier is Sprint. I can get email only when connected to wi-fi. When no wi-fi is available I get a pop up message that says: cannot get mail. no internet connection available.
I am sure I am just missing a setting or something to correct this. Any ideas?
Thank you!

I experienced this problem firsthand with a Sprint iPhone 5 about a month ago, telling me it had no internet connection and could not check my email (which was Gmail, set up through the native Mail app, using default settings). I can confirm that restarting the phone (holding home + power buttons until restart) temporarily fixed the problem but it quickly returned. Toggling Airplane mode did nothing. The problem did return within the same day after a period of time. I have since switched back to AT&T.
Interstingly, my sister had the same issue with her brand new Sprint iPhone 5 this week. She called Sprint and the customer service representative confirmed that this is a problem that only affects Sprint iPhone 5 users who use Gmail. The rep told her that it affects Gmail both in the native Mail app and also in the Gmail app, but web use still works (I haven't confirmed this). The rep also said that Sprint is aware of the problem and working on a fix that would be delivered in the form of a "software update" but there was no clarification if that was an iOS update or a Sprint carrier update.
That's all the info I have now, but if you're a Sprint iPhone user and experiencing this problem, please do call Sprint and let us know what you find out.

Iphone 4 "cannot get mail" as user name or password incorrect.

I have an iphone 4 and it has stopped updating mail. Three days ago I incorrectly typed in my mobile me password and had to reset it. I have updated my mac account details for my mobile me account on my phone but I keep getting "cannot get mail" as user name or password for.mac account is incorrect. Im not sure what to do and this is very frustrating as Im sure it is something very simple! Any help gratefully appreciated.

Did you try to delete the MobileMe account on the phone and set it up again after that?
You can also try to replace the account info on the phone during the next sync, if you select this option in the info pane, Advanced Section, with your phone connected to iTunes.

Iphone 4 Cannot get mail

Hi everyone, im having a problem getting my emails through microsoft exchange. i have filled in all the fields correctly, my calendar is corret but i cannot get any emails whenever i try i get the message *cannot get mail The connection to the server failed.* Any ideas what the problem is its so frustrating. Thanks

This thread might have a solution for you...though they're not working for me.
http://discussions.apple.com/thread.jspa?messageID=11504247

Cannot Send Mail Sender Address Invalid

when replying to an email, I receive this message. It is a POP3 account. I've experienced this in the iPod touch and reset the touch, it worked. Tried the same in the iPad, no luck. I've checked and rechecked that the smtp address is correct. I can receive but not send..help

I called and spoke with Apple at Apple Care.
Reset your iPad by holding the home key and power button simultaneously, wait for it to reset then, go to:
Settings>Mail,Contact,Calendars>select your email acct.>Advanced>Authentication>Password
Also under the Advanced, make sure "Use SSL" is turned on
Mine has worked perfect since Sunday morning.

Cannot Send Mail Server Certificate Invalide

How do I resolve this issue with my Mail app?

Hey sfillipow
If you are having issue with the certificate is saying is invalid, check out the following article to help resolve the issue.
OS X Mountain Lion: If your certificate isn’t being accepted
http://support.apple.com/kb/PH10968
Thanks for using Apple Support Communities.
Regards,
-Norm G.

IPhone 3G cannot send mail - Sender address invalid

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