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.

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Cannot send mail - server does not allow relaying

I keep getting a sporadic error message on my ipad: "cannot send mail. The recipient was rejected by the server because it does not allow relaying". Sometimes it doesn't happen and the mail sends fine. Sometimes I get the error message but the message then sends later. Sometimes it never sends.
Can anyone help?

Hi, I've suddenly encountered this problem. I have a 1st gen iPad. I've reset, deleted, re-added, turned on both outgoing servers, added my password--this last doesn't stay in the primary outgoing server field; when I go back in, the password field is filled with the (optional) text again and when I 'click' into the authentication box, the password is no longer checked. However, these are all filled in the secondary outgoing server, so it shouldn't matter. Restarted the iPad a couple times. Using system 5.1.1--I think that's as far as I can go. Any miracles out there?

Cannot send mail - server rejects address

Anyone know why I get this message half the time when I attempt to send an email, and usually in a day or so the mail will go ahead and send?.. I know the address is a valid email address.

igmackenzie's method is reported by many to work.
However, deleting your mail account will also delete the emails in your Outbox that you are trying to send. This is a problem when you have several in your Outbox, many of which have been carefully crafted.
So before you do so, if you don't want to lose your hard work composing your unsent emails, be sure to copy & paste each one into another application, i.e. Notes.

Cannot Send Mail One of the Recipients Email Addresses is Invalid

Cannot Send Mail One of the Recipients Email Addresses is Invalid
This is the error message I keep getting on outgoing mail. Incoming mail works fine. Does anyone have any suggestions to try?

You mean you can receive and send messages when you are connected to your wi-fi network at home with your internet service provider as the internet connection for your wireless network at home, but you are unable to send messages with this account when connected to AT&T's cellular network?
If so, this leans toward your email account being provided by your internet service provider.
Most internet service providers block the use of SMTP servers that are outside of the ISP's network or not provided by the ISP unless the SMTP server is authenticated. Not many ISPs provide an authenticated SMTP server with the email account they provide their customers.
You can do one of two things. The iPhone includes AT&T's SMTP server to select as the SMTP server to use for this email account when you are connected to AT&T's cellular network, but you probably won't be able to use AT&T's SMTP server to send with the account when connected to your wi-fi network at home.
Or you can switch to using an email account that provides an authenticated SMTP server. A Gmail account is one, and a MobileMe account is another.

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

IPhone 3G Cannot Send Mail. The sender address was invalid.

All of a sudden, I cannot send mail. I get the message "Cannot Send Mail" The sender address was invalid.
I have reset the phone in hopes of resolving the problem. That did not work.
The mail that I'm sending to IS a valid address; I'm trying to RESPOND.
Please help.

The configuration and use of any outgoing server address (SMTP) may not be supported due to several factors including, but not limited to, the inability for the outgoing server (SMTP) to authenticate users (whether by IP or username/password) that are not directly connected to that Internet Service Providers(ISPs) network.
This is usually your HOME wi-fi and you are not connected to it because you are on your iPhone away from the house. This is mainly done to prevent unsolicited users from sending SPAM via the ISP's servers.
An alternative is to use ATT SMTP Server (for US) when you are on the 3G or data network for the carrier and not on your home wi-fi. So enable ATT SMTP server under Other SMTP servers under your Mail's account settings on the iPhone.
If you are interested you can obtain that information directly from the email provider. This article has a great temple that you can use to ask all necessary information from the provider including "If you use your ISP’s own email service (instead of a third-party such as Gmail), sometimes it may not work if you use another Internet access point, such as a cafe with wireless Internet. Ask your email provider if the settings they give you will work on other networks."
What to ask if you're having issues sending, receiving, or configuring Mail
http://support.apple.com/kb/HT1277

I am trying to email pictures from my ipad to my email address on my computer and I have been going along nice but now I get a message that says "cannot send mail the message was rejected by the server" can't see to figure out why it stopped sending now.

I have been emailing pictures from my ipad to my computer and have been going along nicely and now when I went to send 5 pictures to my computer from my ipad I am getting a message that says " cannot send mail The message was rejected by the server" cannot understand why this is happening and have not been able to fix. Now when I try to send pictues even to another email address I am getting the same message.
Help.

Email may not be the best way to move pictures.
There are lots of ways of moving files.
A simple and popular way to copy files and share files among your devices.
https://www.dropbox.com/
"Box lets you store all of your content online, so you can access, manage and share it from anywhere. Integrate Box with Google Apps and Salesforce and access Box on mobile devices" Rated the most secure cloud storage by SkyHigh Networks.
https://www.box.com/
Using iTunes to transfer files:
http://support.apple.com/kb/HT4094?viewlocale=en_US&locale=en_US
Files Connect -- "Cloud Storage services like Dropbox, MobileMe iDisk, Google Docs/Picasa, Facebook photos, FTP, SFTP, WebDAV ... AFS (Apple File Shares) SMB (Windows shares) protocols"
https://itunes.apple.com/us/app/files-connect/id404324302?mt=8
Windows File server
http://itunes.apple.com/us/app/filebrowser-access-files-on/id364738545?mt=8
"The kiteworks mobile file sharing solution provides secure creation, viewing, and sharing of enterprise content on smartphones and tablets while providing IT and security teams the administrative controls to manage user privileges and access rights necessary to ensure enterprise security and compliance." " Includes choice of private cloud on-premise."
http://www.accellion.com/solutions/mobile-enablement/mobile-file-sharing
"Dukto is a simple application that allows you to share files between devices connected to the same (wireless) LAN network."
http://www.tidal.it/?page_id=309&lang=en
http://www.msec.it/blog/?page_id=11

I have 5 email accounts. On one account I receive email, however, in responding to the email from this one account I get the following message "Cannot send Mail" A copy has been placed in ur outbox. The recipient was rejected by the server?

when I respond to the email message I get the following: Cannot Send Mail -- A copy of this message has been placed in your Outbox. The recipient "[email protected]" was rejected by the server?

when I respond to the email message I get the following: Cannot Send Mail -- A copy of this message has been placed in your Outbox. The recipient "[email protected]" was rejected by the server?

I updated to 5.0 today and now when I try to email from my phone, I am thwarted by the pop-up, "cannot send mail. a copy has been placed in my outbox. the recipient (email address) was rejected by the server. I need help, please.

I updated to 5.0 today.
Now, when I try to email from my phone, I am block, thwarted, rejected by the following message:
Cannot Send Mail
A copy has been placed in your Out Box. The recipient (enter email here) was rejected by the server.
This happens with my business address. Receiving works.... sending doesn't.
My SBC Global address on this same phone is fine...receiving and sending.
What to do? I'm stressed.
Ray

Hi,
I had the same issue on my iPhone 5S. My internet/email provider told me to uncheck (turn off) USE SSL under Mail settings, and it worked perfectly for me.

Since upgrade to iOS 7 Email error on over 100KB emails "Cannot Send Mail The message was rejected by the server because it is too large." Connecting to Exchange via Activesync

Hi,
Following the upgrade to iOS 7.0.3 on all our iPhone and iPad devices, it has been identified that when sending emails around 100KB in size and over an error message appears on the device stating “Cannot Send Mail The message was rejected by the server because it is too large.” See error message below. The send/receive limit is over 10MB so this is not the issue.
We are in an Exchange Environment using Microsoft Activesync. This issue is not evident in iOS 6. This has been tested on an iPhone 3GS running version iOS 6.1.3. We have been unable to repeat the issues seen on iOS 7 on the older OS. It is not possible to roll back to the older operating system as Apple are no longer signing the software.
We use Microsoft Active Sync to connect to our Exchange servers through a TMG. The issue is very inconsistent, some identical emails go through, some fail. This is not an issue with the send/receive limit as this is over 10MB. The error message when it fails on the TMG is Status: 413 Request Entity Too Large, which we believe is from IIS on the CAS server.
Does anyone have any suggest course of actions to take?
Many Thanks

This resolution have to attend at the server not with the ios device. My employer's mail administrator reject me to correct it from the server. As his concern is, if ither ios devices works why don't mine? So I am helpless than changing my iphone. It works fine for early versions of ios and with androids. And also one of my friends iphone4 with ios 7 (similar as mine) works too. So I guess it's something wrong with my iPhones settings. But basic question I cannot understand is it works in my phone before this ios7 upgrading. And currently working with my yahoo account too. Favourable reply expected.

HT3228 I set up my work e-mail on iphone. When I try to send an e-mail, an error code says "Cannot Send Mail", "recipient rejected by server because it does not allow relaying". What does this mean and how do I correct it?

I set up my work e-mail account on my iphone 4S. When I try to send an e-mail message from my phone, an error message occurs "Cannot Send Mail" - "recipient was rejected by the server because it does not allow relaying". What does this mean and how do I correct it?

Get the correct mail server settings from your IT department.

I keep getting a message "cannot send mail" a copy has been placed in your outbox. The recipient was rejected by the server because it does not allow relaying

I keep getting a message "cannot send mail" a copy has been placed in your outbox. The recipient was rejected by the server because it does not allow relaying. How can I fix this error so I can send emails.

The issue definitely sounds like your Outgoing/SMTP settings need to be changed. Simply set them to the proper settings for your provider as was suggested above.
I found this link for Knology: http://support.knology.net/content/email.setup.cfm
The SMTP settings can be edited on the iPad/iPhone by going to Settings--> Mail, Contacts, Calendars, edit the account having trouble, click the Account, then at the bottom is the SMTP server info, click on it to edit it further.
It should allow you to edit the primary smtp server and let you enter all the good stuff as you see in the Knology link above.
Some providers require you to register your account on their service like AT&T.

Cannot send mail A copy has been placed in your outbox. The recipient was rejected by the server because it does not allow relaying.

"Cannot send mail
A copy has been placed in your outbox. The recipient was rejected by the server because it does not allow relaying."
How can I fix my email? Now when I try to send an email I get the above message. It was working for months now it just quit on my ipad2, (but it still works on my iPad1 not updated to 5.0 operating system)? Help!?
Thanks,

Try going into the account's outgoing SMTP server settings, and if they are not already filled in add your account id and password to the outgoing settings : Settings > Mail, Contacts, Calendars and then select the account the account on the right-hand side and go onto into it's SMTP server settings

Cannot send mail "recipient rejected because server does not allow relaying"

Just went to Verizon store with new Iphone4. They tried, but didn't help. I can receive my email, but cannot reply or compose and send msgs. The message says, "Cannot send mail. A copy has been place in your Outbox. The recipient xxxxxx was regejected by the server because it does not allow relaying." I tried several different email addresses, including my own Verizon account!

Go into the settings for Mail, Contacts, and Calendars.
Go to the account that's got a problem, and scroll down to "Outgoing Mail Server".
Touch "SMTP" and make sure the primary server is set to the one you are supposed to be using for your account (you mention Verizon, so it should probably be outgoing.verizon.net).
Make sure SSL is off and the server is "ON".
Make sure that your username and password are for your e-mail account are correct.
Click "Done".
I'm guessing that at least one of those things I mentioned are not set properly. The error is telling you "yeah, I'm a mail server, but I don't relay mail for just anyone, I need to know who you are".

IPhone4 when replying or forwarding mail messages i get a message that says Cannot Send Mail address rejected by the server because it does not allow relaying

When forwarding mail this is what i get
Cannot Send Mail
A copy has been placed in your Outbox. The recipent _________________(email address) was rejected by the server because it does not allow relaying.
Never had this problem before so not sure whats going on. Appreciate any help out there.

Sounds like there is something wrong with your SMTP server. Try going into Settings>Mail, Contacts, Calendars>select the email account in question, go to the Outgoing server (SMTP) and check the settings. It may be you do not have a username and password in one of the areas. The phone may say optional in a couple, but it is usually mandatory. You can also try a reset on the device, hold the sleep/wake and home buttons together until you see the Apple logo and then release. If neither of these work, then you will need to delete the account, then delete the SMTP server, then add the account back, ensuring you use your username and password everywhere, even when it says optional.

Cannot Send Mail Server Certificate Invalide

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