Malware and viruses can significantly impact email communication, often resulting in unwanted mailer daemon messages. If your email account is compromised by malware, spammers may send out bulk emails using your address, triggering bounce messages when those emails fail to deliver. This not only clutt...
This does not necessarily mean that your email account has been compromised – they can fake the sender address without actually accessing your account. This practice is known as "spoofing." However, when the mailer daemon generates the error message for each email that was sent to an address ...
mailer-daemon@googlemail.com If you are using Gmail (this doesn’t necessarily mean you’re using an @gmail address), you may get an email from Mail Delivery Subsystem, whose email address ismailer-daemon@googlemail.com. This is an email from google mail itself. Why does Mail Delivery Sub...
Does anything above stand out as the problem? To clarify how I got this rejection... I have Apple Mail set up to pull mail from this account "abs@allarycorp.com" (and leave copies on the server so my client is getting his mail), each time I see Spam that has gotten through, I...
Do we really need to construct a new cache HashMap every time we do a cache lookup? Of course not… We can just filter the entries while we are traversing the cache. Changing line 17 fromvalues.find{}tocache.get.find{}does not do cache-entry expiration at the time of every single lo...
I’ve talked before about email that appears to come from you, but in fact does not. This is different. Specifically: Spam emailis sent to random people you don’t know, “spoofing” the From: address to make it look like it comes from you when it does not. There is almost nothi...