2 Messages


80 Points

Tuesday, May 23rd, 2023 12:20 AM

spf dkim


I keep getting this error message when ever I send any messages to Gmail users lately. Please help!

    SMTP error from remote mail server after end of data:

    550-5.7.26 This mail is unauthenticated, which poses a security risk to the

    550-5.7.26 sender and Gmail users, and has been blocked. The sender must

    550-5.7.26 authenticate with at least one of SPF or DKIM. For this message,

    550-5.7.26 DKIM checks did not pass and SPF check for [srustiarchitects.com]

    550-5.7.26 did not pass with ip: []. The sender should visit

    550-5.7.26  https://support.google.com/mail/answer/81126#authentication for

    550 5.7.26 instructions on setting up authentication. oy11-20020a170907104b00b0096f70603c8dsi442292ejb.30 -

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Brand User

10.9K Messages


143.9K Points

1 year ago


Can you go ahead and try once more? I have updated the TXT SPF record for your domain which should allow it to begin working properly.

10 Messages


170 Points


Is the SPF record same for everyone across the board (see below): or is this for a specific domain/site?

v=spf1 ip4: -all