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Questions tagged [email-server]

22 questions
2
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Looking for strict local mail server (no email sending and receving from outside world)

I am looking for a mail solution (or server) that work only inside an office and only employees inside the office can send and receive the email from each other. I don't want the employee to send email to the outside world even if they try to send…
Aman
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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 each other and sync emails? If so, what kind of…
Onur Topal
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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 "systemctl status spamassassin.service" and…
tuxerri
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1 answer

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 generating an account for it? [email terminology:…
FoxPaw
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2 answers

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 automated sending no longer works. How to use this…
SuperLeo
1
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1 answer

Resolving DNS & MX Records

I am new to the community and I really need your assistance to resolve some complicated issues with DNS/MX Records. My client's website is designed and hosted in Wix with mydomain.com and pointing to mydomain2.com (hosted on GoDaddy). The mail…
MasterVibz Infotainment
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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 asked my ISP to change the PTR record nor do I have a…
tuxerri
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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/main.cf I have: myhostname =…
tuxerri
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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 case, I would like to fake a bouncing email using the…
Aurélien Pierre
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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 time ago I started using Kmail as my email client…
FluidCode
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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
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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 returned. Meanwhile, my VPS can do it. Is there any…
Cooper Max
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1 answer

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 message. The message makes it to the recipient as…
user2864874
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Port Sharing Issue

Recently I started experimenting with an email server hosted on a device on my own private network. The above mentioned server required me to open up ports on the router hiding everything. As soon as the required ports (SMTP, IMAP related) were all…
Andras
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2 answers

Changing email address settings in Outlook, with Microsoft Exchange

My client has an email address from a previous hosting provider in Outlook, via Microsoft Exchange. I want to alter the mailbox settings to use the new hosting provider. His options do not give the IMAP options. I am worried about deleting the email…
Jo McKee
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