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Being attacked by virus spamming

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by techgirl75

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It seems likes more than once a day every day users will get emails with attachments that are caught as viruses and quarantined by our Symantec Antivirus Corporate 7.6. It quarantines the files but still the user receives the email (and with edgy management users-we don't want that). Recently they are using "undeliverable message receipts" errors - which look authentic but are junk. It makes it look like our server is being used to send out a message to an undeliverable address. What way is there to protect against these spammings if they are from all different email addresses. Another company that I know gets spammed by "adult" emails from hotmail accounts all the time. Is there a way to help against these without having to block every email coming from a particular domain? Thanks!

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by dbesenho

you don't say what your email server is, which makes a huge difference in what you can do. we have exact scenario you describe, and using notes server, not as many options. notes has settings in advanced config for anti-relay, but still have to add alot of addresses to manually block. exchange will allow you to use block lists put out by anti-spam organizations (do a web-search, i can't remember -- i think spamhaus.org is one) -- they have directions on how to set this up on their website. i also send email to webmaster(like at hotmail) and complain when we get excessive spam from accounts originating from their domain. i don't know if it's effective or not, but it makes me feel better, and i think everyone should give them feedback that this is not acceptable.

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