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twinmom's avatar
New Contributor

can't send e-mail recpient blocked 550

tried sending mail with attatchments and received back that recipient was blacklisted for 550 abuse

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  • yak's avatar
    Contributor III

    twin,  the 550 is a warning that something triggered the spam filter.  On some systems, the 550 means that you can receive but you can't send.   the opposite of what you experienced with this recipient.  what happens if you send an email to them without an attachment?