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Mail to a particular recipient is lost - was working for years! Why?

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  • 최종 답변자: user01229325

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All of the sudden (after Jan 22, 2015) emails from Thunderbird to a particular recipient do not arrive at her mailbox. I do not know if other recipients are also not getting my mail - this person told me in person that they are not arriving. The emails do appear in Sent.

There is no bounce-back or any other indication that the mail did not go through.

The same email sent via webmail goes through just fine.

The webmail account I am using is the same one that Thunderbird is set to work with using IMAP.

All of the sudden (after Jan 22, 2015) emails from Thunderbird to a particular recipient do not arrive at her mailbox. I do not know if other recipients are also not getting my mail - this person told me in person that they are not arriving. The emails do appear in Sent. There is no bounce-back or any other indication that the mail did not go through. The same email sent via webmail goes through just fine. The webmail account I am using is the same one that Thunderbird is set to work with using IMAP.

모든 댓글 (5)

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Try sending a email to yourself with that same sender-account you used that didn't work. Take a look at your outgoing sender installation.

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How can the recipient distinguish between messages sent via webmail, and sent via Thunderbird? Did you have the recipient check the junk folder?

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christ1 said

How can the recipient distinguish between messages sent via webmail, and sent via Thunderbird? Did you have the recipient check the junk folder?

That would naturally be the first step. The second might be to check if my address-book has the right email address, that every occurrence of that address is correct

I don't think the recipients mail-client would see the difference. The recipient (in person) thou can look at the code and find User-Agent: ...........Thunderbird..... or no User-Agent.

If I couldn't send to myself I would check my server- setup on the sending side. (Tools/account /"sending accounts") and if that looks allright check with my account supplier what it should be.

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Thanks you all for your responses... but, no luck.

Further background... the e-mail I am sending to is my girlfriend. I am a software developer and she is an aeronautical engineer, and both of us are long-time Thunderbird users, so we are not newbies. Email between us has been fine for 3+ years... then all of the sudden my outbound to her stopped working! Inbound is OK.

Last night I sent an email to a number of people, including her. I sent it via Thunderbird first. Everyone got it except her. Then, I sent the same email from my webmail account directly. Worked fine.

We both have webmail accounts with large ISPs - hers is Cox.net and mine is Register.com. Both the same for several years.

She has checked her spam folder, junk folder, etc. Nothing there. No indication that anything is wrong on either end. She is obviously in my contacts list in Thunderbird, and I have not modified her entry.

What is scary here is that there is absolutely no feedback. If it was a business client instead of my girlfriend, I would not know it was happening!! They would just think I was unresponsive.

It started on January 22nd, and has persisted.

Further info. I am on 31.2.0 (have not updated yet). I don't know what version she is on...

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Call your provider and ask them where the emails are going. Once Thunderbird hands the message to your providers SMTP server it has done its job.