Email not sending on iPhone

I am having an issue where I will reply to an email, hit send. It appears to go through, and then days later when I wonder why no one has replied it is because the email never went through. No trace of it at all. Not in drafts, not in outbox, nothing. At first I thought ok, maybe I didn't send it. But now that it's happened probably 25 times since the update, I know its not me. It's causing issues with my job. It doesn't do it every time. Only sometimes. I don't think it has to do with closing the app immediately because most of the time it works. But on the occasions where it doesn't its a MAJOR issue. Apple, PLEASE FIX!

Same here, replying or sending emails, there is the sound as sent, then checking in sent and the email is not there, also the outbox is empty, and also the recipient/s are not receiving the emails.

This is frustrating as there are some important messages that are lost!

The workaround I am using is to put myself in cc. so far is working.. issue is that i do not always remember to do that and long important emails not sent are really upsetting.

PS: as you can read, i am checking if it is sent etc. the app is not closed soon after sending! that's a major bug!

I am going to change app to microsoft. I had this issue last year, then seemed solved and now again.

For years, I have been replying to emails through Mail in my iPhones and randomly there will be an “error mail not sent” message and my carefully composed email reply will have vanished without a trace! Gone!

This is so frustrating. To spend so much time composing important messages and they don’t. Send and they vanish. It’s been happening since my iPhone 6plus right through XR and now 14 Pro Max. Vanished, not in draft nit in sent folder. Gone.

Dear Apple, we buy your phones to COMMUNICATE. This ongoing mail failure problem is UNACCEPTABLE! Fix it!

I had the same exact issue after an update. I was frustrated so I BCC'd myself on all emails. They weren't coming through. I didn't know about the "Undo Send Delay" feature that was added in the update. My habit was sending the email, hearing the "swoosh", then clicking the right button to lock my phone. Apparently if you lock your phone before the delayed send time expires, the email just disappears completely. It doesn't go to the drafts folder, outbox or anywhere. I turned this feature in Settings > Mail > Sending (at the bottom of the Mail menu. After that I've had no more issues. This is a terribly designed feature and should NOT be turned on automatically with the iOS update.

My undo send delay has never been on and I’ve been having this intermittent problem since iPhone6plus was new, through XR to my present 14 Pro Max. It is soo frustrating to not have reliable APPLE MAIL and especially to have my carefully crafted words VANISH without a trace. You must do better, APPLE. Much better!

I am having the exact same problem with both gmail and yahoo mail on my phone. When I send an email or reply it makes the swoosh and says it’s sent but then it is not in my sent box and does not actually get sent. I have followed up by rewriting and send the email reply or forwarding on the actual web based email site and they go through fine. This is definitely and Apple issue. I am having the same problem with my iPad.

What I am thinking is that apple and google doesn’t or aren’t compatible with each other because I’ll be at home using my own providers WiFi and no that I’ve got good speed and I can’t send out a damm email on my Gmail and talking about disappearing emails I’m with you on that I’ve even created a special folder and knowing that I saved a email and I’ll be damm it just disappeared but when you talk to apple about it they tell you they have no control over emails it’s the email provider that you need to talk too and let’s freaking forget trying to get ahold of somebody on google

the only thing I disagree with you on your statement is how Samsung is better than a iPhone sorry android are not friendly user and then you have to download **** you don’t need to do on a iPhone but this my opinion Ty.

When I try to receive an email it doesn't work so say now I went to put my email in for something I would go to mail app and see if its their but over the past few years its been going through to my mums phone and I don’t know what to do I've tried backing up my phone and that wont work either

Hi! I hope I have the answer for all of you. I also have experienced this and have found it very frustrating for I also thought many times that an email has been sent only to find out that it had not been sent days later when I would not receive a reply. And it would only happen when I would reply directly from the email thread. I had no problem sending brand new emails.

Using the advice of some of the answers here, I replied to an email that I had tried to respond to twice and both times it failed to send, and, like everyone else described it seem to have disappeared… not in my “sent” folder, or my outbox. But this time, after sending it and hearing my “sent” tone, I counted to 20 and then checked my “sent” folder, and sure enough this time it actually sent!

So my advice is to try this…. After sending your email, just sit tight don’t touch anything for about 20 seconds and then check your “sent” folder.

Same issue here. I installed ios16 yesterday and have had two email messages disappear without a trace after sending them in the past 24 hours. Did they send??

• In iOS/iPadOS, go to Settings > Mail and tap Undo Send Delay. You can change it to Off (which will eliminate the problem you’re having) or 10, 20, or 30 seconds.

• In iOS/iPadOS, go to Settings > Mail and tap Undo Send Delay. You can change it to Off (which will eliminate the problem you’re having) or 10, 20, or 30 seconds.

I have exactly the same problem as you.

I too am facing the same exact problem 😒

I do that so I think this solves it for me!

I was suspecting something like that just haven’t been able to find the exact answer anywhere