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Receiving this message when attempting to reply to two different Yahoo Groups. 451 Resources temporarily not available - Please try again later [#4.16.5].

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This message started recently, within the past few weeks and is only generated when replying to three of the Yahoo Groups that I'm a member of. The other Yahoo Groups I have no issues with my replies sending correctly with no delays.

This message started recently, within the past few weeks and is only generated when replying to three of the Yahoo Groups that I'm a member of. The other Yahoo Groups I have no issues with my replies sending correctly with no delays.

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are you replying with the correct email address. I know I occasionally reply to a yahoo group with the wrong email address and get rejected.

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Yes, it's a simple reply to an existing e-mail so is already set with e-mail address. Also, since I'm the group owner of these "problem" groups I'd know if the post was sitting there waiting to be rejected.

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Yahoo's help page isn't very specific:

451 Resources temporarily not available - Please try again later [#4.16.5]

The Yahoo Mail servers are temporarily too busy. Your server should try to resend the message after a few minutes.

https://help.yahoo.com/kb/SLN26151.html

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So more a Yaphooey problem? That makes some amount of sense since the two groups in question are newer groups and also present other non-working items. I'll have to get in the habit of responding on the group sites as that seems to work and why I thought perhaps it was on my end. Thanks!

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Could there be a security setting on the groups that only allows responses from the site or from Yahoo webmail? They do seem to want to tighten things up...