Send users through csv SFTP - uber-api

Why, in some accounts, when I send csv with many updates, does Uber just insert the users and keep the old ones? I also do not receive any warning emails about what happened. What can it be?

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How to receive emails in two different servers at the same time?

My company has been running Yahoo's Bizmail for long time. The usual complaint is that Bizmail does not always sends/receives emails in a timely manner (some emails may appear after 24 hours, but others just go AWOL into the digital mist never to be seen again).
I've already installed our own email server, which presumably works better than Yahoo's, but what I would like to do is to somehow have every email sent to our corporate Bizmail accounts to be received also by my email server. That way, my users would still receive (or not) emails via Yahoo, and the local email server would have a copy of what Yahoo sent to the users, plus a few other emails that presumably went missing there.
I can change the priority of the MX records, but that doesn't provide a copy of the emails.
And why trying to clone my bizmail accounts you may ask? Well, because -sometimes- when you sends us an email using the company address, and copy it to our personal accounts residing on other servers, we get the copy, but never the original. Just like if Yahoo was kind of a black hole that, under the right conditions, swallows incoming and outgoing emails.

Automatically delete spam messages

I have a problem with my hotmail account. For some reason I receive a lot of messages every day which have a link lead to 3-4 sites so that they will track who opens the link. They also have unsubscribe links which go to a similar URL but it is not actually unsubscribe me. I receive 20-30 messages every day. They go to the junk folder but I can to keep this folder clean.
What I was looking for is a way to automatically delete these messages by using some kind of filtering but they use different emails every time that they send the messages and the only way to automatically delete these messages is by checking the contents of the message and find the specific URL pattern that they use in order to track the users who actually see the messages that they send.
I tried to use the hotmail rules or the thunderbird message filters but I have not found a way to find the messages which contain a specific link inside the body of the message so that the application will automatically delete them.
Is there a tool or mail client which will allow me to filter and delete these messages?
Thanks in advance,
Aristotelis

Cleaning up email distribution list of bad/invalid emails

We have a newsletter where people opt-in (everything is on the up and up here). As people leave jobs (fired, layoffs, etc.), we still send to those emails and now after a few years, we have a considerable amount of emails that need to be purged.
The inbox that is receiving the bounces/invalid emails is a gmail account. We can filter (via a search) and find the emails that need to be removed but how can we export those emails to a list so that we can clean up our distribution list? Are there any tools that would help simply this?
We are looking into mailgun and sendgrid for future send outs but we need to clean up the list before we migrate. Any help or suggestions would be appreciated.
Our tech stack is apache/coldfusion 11 (not that it matters but in case it helps).
You could use CF to log into gmail and pull all the messages. Then loop through them all to find the bounce messages. Appending those bounced email addressed to a simple flat file. If you want to get fancy you can use a database, but I think a simple text file would do in this case. One email address per line.
I just read that you are deleting those bounced email addresses from a database. IF you're confident of your coding the above idea, you could directly delete from your database rather than saving a file.

Create a lot of 200 different Email Accounts in a short span of time?

I am trying to send bulk email from a few accounts email accounts, and for some reason, I think the emails get blocked and they do not reach the recipient. I think it is because of spam / filtering rules. Is it possible for me to create say 100 different email accounts in a very short amount of time and send 1 email from each of the accounts ?
Is there any service/ idea / script to create a lot of email accounts in a very short amount of time ?
Creating 100+ accounts on your own server would be pointless. It's usually the originating server and isp and/or the email's content that causes it to be flagged as spam. Creating 100+ accounts elsewhere MAY work, but then each of those other servers may also be considered as a spam source and any mails you send from that particular account will go missing as well.
You can check your mail server's logs to see if the mails get dumped by the receiving mail server. Some of them will do the filtering right at the initial connection/send attempt. However, some will pretent to accept the mail (and you see a 200 OK acceptance message), but then toss the mail in the trash automatically. In this case, you'd nave no idea what happened, as everything would appear to have worked fine.
I had set it up easily using Yahoo Mail Plus. They had the feature of Disposable Email Accounts. You can create 500 of them !

How can a read receipt be suppressed?

I am programmatically "reading" emails using WebDav. I am also deleting these emails when I've finished having my way with them, however, this is causing an interesting problem. Each time I delete an email the original sender is getting a not read response. I have logged into Outlook Web App and checked the option Do not automatically send a response but this doesn't seem to help.
Is there ANY way to remove the request for read receipt from the email before deleting it?
We decided that we didn't want to make any modifications to our server and a solution that could be implemented in my existing program would be the most ideal.
I read on a few sites if the email was marked as read through IMAP commands on the exchange server that the read receipt would not be sent when deleted/opened via the client (Outlook Web App or Outlook). So that is what we did:
Logged into email server via IMAP
. LOGIN user#mailserver.com password
Selected the folder to process
. SELECT Inbox
Made the changes to all emails in the folder
. STORE 1:* flags \SEEN
This sequence marks all the emails in the inbox as read, which then allows my program to delete the emails after processing without a receipt being generated.