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You have confirmed above that more has changed than merely the IP address: specifically, the new network onto which the VM has been moved is behind a CISCO ASA firewall. Those firewalls do what they describe as "protocol fixup", which in the case of SMTP means messing with the information that's passed at layer 4. By telnetting from your client to the ...


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I've not tested this as I use posftix but I've seen in my reading the following: CipherList=HIGH ServerSSLOptions=+SSL_OP_NO_SSLv2 +SSL_OP_NO_SSLv3 +SSL_OP_CIPHER_SERVER_PREFERENCE ClientSSLOptions=+SSL_OP_NO_SSLv2 +SSL_OP_NO_SSLv3 Not sure which version this references but appears you control what ciphers are in use both when sendmail acts as a client ...



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