Can't Send: Cant send or reply messages

Thank you for reaching out to us. We apologize for the inconvenience caused. There could be various reasons why you aren’t able to send emails. Visit this article https://support.office.com/en-us/article/Fix-Outlook-com-email-sync-issues-d39e3341-8d79-4bf1-b3c7-ded602233642 to find out the reasons.
Let us know if you are still facing this issue.
111 comments
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Anonymous commented
I have been without my emails for 6 days.
how am i SURPOSSE TO WORK WHEN i AM OUT OF CONTACT.
when I send an email it comes back Failed. -
محمد commented
انا لا استطيع ارساله رساله عبر البريد الإلكتروني
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Max commented
Ne peux pas m'envoyer de code via texto??
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Anonymous commented
I cannot send emails as I can't verify email address
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Daniel Abrisqueta Cordero commented
I can not send emails
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Paunch McMulligan commented
Sometimes for no reason, Outlook.com stops receiving any Mails blocking every sending host. Including Amazon, Google, eBay, etc hosts.
This is the mail system at host forward-relay.netcup.net.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.The mail system
<xxxxxx@outlook.com>: host
outlook-com.olc.protection.outlook.com[104.47.44.33] said: 550 5.7.1
Unfortunately, messages from [94.16.123.254] weren't sent. Please contact
your Internet service provider since part of their network is on our block
list (S3140). You can also refer your provider to
http://mail.live.com/mail/troubleshooting.aspx#errors.
[SN1NAM04FT034.eop-NAM04.prod.protection.outlook.com] (in reply to MAIL
FROM command) -
Aimee commented
I can’t send emails
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Anonymous commented
No puedo enviar correos
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Anonymous commented
I receive emails, but lost the reply icon
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Anonymous commented
Remove the mail sending limits...
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new_woory@hotmail.com commented
I can’t send email
“This mail can not be sent” error
How should I do? -
Anonymous commented
Yeni açtığım hesabım ile mail gönderemiyorum fakat mail geliyor yardım!!!
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Renee pocco commented
X q no puedo mandar msms de mi correo si ya ingreso
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Anonymous commented
It makes no sense that there should be a daily message "limit" I should he able to send however many messages I want especially if I'm chatting.
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Anonymous commented
メールを受信はできますが、送信できません。
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Anonymous commented
Plz help. Not receiving emails
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Anonymous commented
I know I have just got the app and it is driving me crazy on how I cannot send or receive any of my emails grrrrr lol
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Johan Meyer commented
Telkom said the problem is Outlook and the code is 550. It is part of office 365 and I am now about six months unable to without send emails
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Anonymous commented
This stinks. It won't let me send or receive emails. Not bloody good enough
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Anonymous commented
Why can I Not send or receive any emails. I have an important news letter to send out. This is not good enough