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百度 党的十九大把习近平新时代中国特色社会主义思想确立为党的指导思想,实现了党的指导思想又一次与时俱进。
Related to email protocols, clients, servers, content, and message format.
1,828 questions
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Checking system integrity after clicking scam email link on Linux
Earlier today, my mother opened an email thinking it was from my sister-inlaw, then clicked on the shortened link.
The link loaded a page of fairly nonsensical text. The source of the page had no ...
1
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1
answer
436
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Spam investigation and email reputation check
We are investigating emails which were marked as spam by Cloudmark's service Cloudmark Authority Engine (CMAE). We want to find out if they are false positives. When an user ask to investigate why a ...
4
votes
1
answer
223
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What does a Microsoft Safelink contain?
Regarding the URL query arguments of a Safelink:
Why do they contain my e-mail address (the recipient)?
What are these two longish strings? Look like IDs of a database. Does Microsoft store Safelinks ...
2
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2
answers
364
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DMARC rua indicates mail send from competitorDomain.com for ourDomain.com, is this (potentially) mallicous?
We've received several rua reports indicating that one of our direct competitors is sending emails with our domain in the mail from headers.
I do not have access to the actual emails sources, and I ...
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1
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1k
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DMARC and SPF are setup for my non-www domain but doesn't work for www
My website is up and running on www.example.com and I am sending automated emails from my email address [email protected]. DMARC and SPF seem to setup accordingly:
_dmarc : v=DMARC1;p=none;pct=100;...
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1
answer
115
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MIME Boundary field meaning & decoding in email header(mail.com web client)
As we know some important information can be found in MIME Boundary field in email headers.
Such as the one described in this interesting link (Dates in Hiding Part 2 — Gmail MIME Boundary Timestamps)
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3
votes
1
answer
806
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How to workaround Thunderbird 78's lack of support for encrypted mailing lists?
As of Thunderbird 78, the support for PGP plugins such as Enigmail has been dropped in favour of a native implementation of pgp in Thunderbird's core. But some features of Enigmail are still missing. ...
7
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7
answers
38k
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Is it possible to prove a certain email has been sent using a certain computer?
I can understand that an SMS can be traced to the mobile phone which it has originated from and the phone owner has no chance in court but to claim that someone else has used his phone but what about ...
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0
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643
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What to do after a fraudulent online account was created with my email address and passed email verification? [closed]
Someone opened an Electronic Arts (EA) gaming account with my email address, and was able to pass email verification. I noticed this due to the unexpected email traffic related to welcome and address ...
2
votes
1
answer
549
views
Force specific encryption cipher for S/MIME mails
I have a number of contacts who can only decrypt 3DES, when it comes to S/MIME encrypted mails. I'm aware that this is by far not ideal, but better than no encryption at all.
My problem is, that I ...
5
votes
1
answer
3k
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Security of email (SMTP/POP) passwords
In my client mail app (Thunderbird) I chose (and my mail server accepted) SMTP with STARTTLS, the POP (or POP3) with SSL/TLS. I understand that this is for mail content from my client app to my ISP ...
102
votes
11
answers
23k
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Unsubscribe safely
I have heard that is better to never click to any link in an email. Is it a bad idea to click to a unsubscribe link? What is the best way to unsubscribe to undesired mails?
19
votes
1
answer
3k
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Risks of using an email address that had belonged to someone else
I signed up for a free email address that I haven't used for anything critical, but after getting "pwned" in a data breach, I noticed, courtesy of haveibeenpwned, that the address had ...
1
vote
1
answer
35
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Temporal associations of spam after emails to new addresses - how and what is leaked? [closed]
Sometimes when I send emails to new addresses, in relatively short periods of time I start to receive new kinds of spam. This pattern makes me to think that the spammers can somehow get my email ...
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1
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460
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Alarming Rate of "Sign-Out Errors" in Outlook Account
After I logout from my Outlook account, I get high frequency of "signing out error" reports, with the following message:
Hmm... we're having trouble signing you out. You may still be signed in to ...