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Questions tagged [email-server]

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0 votes
0 answers
173 views

Outlook 365 - Cannot confirm security alert for self-signed certificate

I use Outlook on a few of my machines with my own email server in the backend. This email server is used with a self signed certificate which I am using for about 5 years. To this point I was able to ...
realShadow's user avatar
0 votes
0 answers
336 views

New user does not have a Postfix `Maildir` directory?

I am attempting to have multiple user accounts, each capable of receiving their own mail in their own Maildir directory. When I add a new user account however, no Maildir directory structure is ...
user10709800's user avatar
0 votes
0 answers
489 views

How to correctly use Postfix virtual aliases?

All emails sent to my email server arrive in the inbox of root, regardless of the user specified in [email protected]. My virtual file in /etc/postfix/virtual is: [email protected] username1 query1@...
user10709800's user avatar
1 vote
1 answer
314 views

is it posibble to have mail server to backup host mail. (imap and smtp)

Can I have 2 email servers? One is in a VPS (planning to use contabo with cyberpanel) the other is the current hosting provider (dailyrazor). I keep getting down times for the email. Can they back up ...
Onur Topal's user avatar
0 votes
1 answer
172 views

My emails are seen as spam by Gmail

I have a email server with postfix, dovecot, spamassassin, etc. www.mail-tester.com gives me 10/10. www.spamscore.net complains about the spf (SPF record SOFTFAIL) and reverse DNS: I have neither ...
tuxerri's user avatar
  • 13
0 votes
0 answers
545 views

How to solve the SPF record SOFTFAIL with postfix?

I'm trying to get my email server up and running. www.mail-tester.com gives me a score of 10 out of 10, but the problem is a SPF record SOFTFAIL. My SPF record is: v=spf1 mx ~all In my /etc/postfix/...
tuxerri's user avatar
  • 13
1 vote
0 answers
767 views

Spamassassin can't start

I have installed spamassassin (3.4.6-1) on Debian bullseye armel. When I try to start it with sudo systemctl start spamassassin: Job for spamassassin.service failed because a timeout was exceeded. See ...
tuxerri's user avatar
  • 13
1 vote
1 answer
541 views

Reverse Catch-All Email | Send email with any non-registered local-part

I started a while ago to use a catch-all email address. This got me thinking, can you have a reversed catch-all address? That is to say, can one send an email with any "local-part" without ...
FoxPaw's user avatar
  • 113
0 votes
1 answer
464 views

How to fake an undelivered email?

I'm writing a Python script to unsubscribe in bulk from "spammy" email newsletters using the List-Unsubscribe header. Unfortunately, many spammers provide bogus links in there. So, in that ...
Aurélien Pierre's user avatar
0 votes
1 answer
197 views

Are email X headers stripped by the server or forwarded?

I am a privacy freak and I use a lot email aliases. I never sent my true email address to many online businesses and organisations and I try to keep the different identities well separated. But some ...
FluidCode's user avatar
  • 137
4 votes
2 answers
4k views

Mutt, SMTP and automated email sending with new Gmail regulations

I have been using MUTT (SMTP protocols) to automatically send email from a Gmail account. Since May 30th 2022, it seems that Google does not support SMTP protocols for whatever security reasons, and ...
user avatar
0 votes
0 answers
65 views

installing SSL on 2 exchange servers

I have 2 exchange servers run for one email service, and I need to renew the SSL certificate. Do I need to issue 2 SSL, or one is enough? If one is enough how can I replicate it between them?
Ali Muhanad's user avatar
0 votes
0 answers
327 views

Possible to configure my VPS as a proxy of mail sent by another mail server?

I have a NAS which deployed with a full-featured mail server, but I cannot send mail to most of the other mailboxes because its IP is always blocked from sending mail, and the mail sent will be ...
Cooper Max's user avatar
0 votes
1 answer
150 views

Thunderbird/email server slow when firewall is up

In short, I'm running Postfix and Dovecot on a server and everything is working. The issue is that when sending mail with the firewall up, Thunderbird hangs for about 10 seconds before sending a ...
user2864874's user avatar
-2 votes
2 answers
2k views

How are emails related to or linked with the domain?

I have three doubts Lets consider www.amazon.com. Now amazon has employees and the employee's have an email ID ending with @amazon.com Is this because there is a domain controller in the amazon ...
Akram ElectroTech's user avatar

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