Questions tagged [phishing]

38 questions
1
vote
0 answers

Postfix - External incoming mails with company domain

We use postfix as internal and external relay and Exchange inside the organization. Our company is receiving a lot of SPAM and phising mails whose Sender is our own company domain. Searching Exchange Message-trackingLog I realized that altough the…
1
vote
2 answers

reporting abuse of phishing site (email not monitored)

The following server is phishing our university site: http://webmailadm-unipi-it-src-login-php.mywap.lt/main.php?z=1 Looking into WHOIS database I find a contact email (which coincides with registrar email). I send an email and the response…
1
vote
1 answer

Mailscanner: how to block html attachments only

I have a Mailscanner site and I want to deny all html attachments but permit html emails. AFAIK there is difference between html attachments and html mail: Content-Disposition: attachment; I tried to configure Filetype Rules =…
sgargel
  • 190
  • 1
  • 15
1
vote
1 answer

WP in docker container hacked - Server sends Phishing mails - disable container from other OS with the server volume mounted?

Wordpress that has not been updated in a docker container on a vServer has probably been hacked since the provider notified me about the server sending phishing mails and deactivated my machine. Now they let me run a rescue linux from where I can…
haemse
  • 181
  • 1
  • 2
  • 9
1
vote
2 answers

My website was used by a freak hacker as a phishing site! What can I do?

My website was taken down a day back - got a message form the host saying that they recieved a complaint from the Bank of America that my website was being used for phishing customers. I managed to bring my site online and found a number of weird…
Ali
  • 279
  • 1
  • 3
  • 14
1
vote
2 answers

Quick/safe way to mass delete SPAM messages from 100+ inboxes

Looking for a way to delete all messages from particular senders out of every affected users mailbox, typically 100-200/10,000. When I approached our Exchange admins about this idea I was met with resistance, told it was slow (Takes 4-5 hours to…
user228684
  • 11
  • 3
1
vote
1 answer

IP reported for mail phishing

I got a report from my root server provider of abuse - someone has been sending phishing mail through my server's Postfix (the headers originate from my server's IP). What should I check for? The server itself doesn't seem to be hacked.
1
vote
1 answer

Microsoft hosts domains that redirect to mine. Is there an innocuous explanation?

Facebook alerted me that some SSL certificates have been issued that potentially phish one of our domains: The detailed view for one of these entries is as follows: When I access one of these domains, it forwards to our actual domain. There are…
rinogo
  • 329
  • 4
  • 13
0
votes
1 answer

Managing MSP Tenants for Anti-Phishing Controls

I'm trying to find a simple way to report on our tenants' settings regarding Microsoft's recently introduced Anti-Phishing controls. If possible, I'm looking to find an easy GUI method to report on these, with any management considered a very happy…
0
votes
1 answer

Prevent intruders to send emails from myself (Postfix)

recently we have been victim of a simple phishing. Yet simple but it can be scary for some users, I don't know how to block this. The intruder connects via telnet to our mail server and sends phishing emails from a local address to the same address.…
Diogo Jesus
  • 131
  • 7
0
votes
1 answer

SPF and DMARC protection

Today while working at my company, we saw allot of automatic reply emails coming into one of our group inboxes (i.e. info@company.com). We suspect that this email address is being used in a phishing campaign and the automatic replies were from…
user92592
  • 125
  • 5
0
votes
0 answers

Inbound & outbound emails marked as phishing

We look after multiple Office 365 tenants for hosted Exchange email. One tenant in particular has an issue where a lot of inbound and outbound emails are marked as phishing. The domain passes all DNS checks under the Admin console, and I can't find…
Ash
  • 448
  • 2
  • 9
  • 31
0
votes
0 answers

Someone has put phishing files on my server

Recently i found some phishing files (PHP/HTML) on my server which were previously not present. I deleted them but later another set of files reappeared. This is happening for all the sites hosted on my server even after changing the admin panel and…
0
votes
3 answers

Recover from server phishing hijack

My server was compromised last year and a phishing site was uploaded. It was detected and removed within a few days. A year later I'm still getting huge volumes of traffic to the dodgy url on my server http://myipaddress/www.bankofamerica.com/…
James
0
votes
1 answer

Investigating a phishing complaint

UPDATE: Seems it was a fake email, so not really that urgent, but the questions are still valid. So I received an email about a VPS I host (I'm a VPS hosting company, this is a customer VPS) being used for phishing sites, on both IPs for the VPS,…
Joshua D'Alton
  • 428
  • 2
  • 13