Smtp Permanent

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smtp permanent error 554

smtp permanent error 503 5.5.0 sender already specified

smtp permanent error 503 5.5.2

smtp permanent error 501 5.5.2

smtp permanent error 554 5.7.1

smtp permanent error 555

smtp permanent error 550

smtp permanent error

smtp permanent error 550 5.1.1

smtp permanent error 503

smtp permanent error 553 5.5.4

smtp permanent error 553 5.0.0

smtp permanent error 501 5.1.3

smtp permanent error 553 5.1.8

smtp permanent error 501 5.5.4

smtp permanent error 501 syntax error

smtp permanent error 553 5.1.3

smtp permanent error 501 5.1.3 invalid address

smtp permanent error 501 syntax error in the forward path

smtp permanent error 503 5.0.0 need mail command

smtp permanent error 501 syntax error in arguments

smtp permanent error 501

smtp permanent error 550 5.7.1

smtp permanent error 530 authentication required

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