> It seems I can't combine "uc" with "substr" - if the username is pass
> with the AUTH command and the SASL mechanism on the same line I need
> "substr" to get only the command and the SASL methode. e.g. "AUTH
> PLAIN AG50aQA=:"
It works yet again in this way
acl_check_auth:
accept condition = ${if eq {${uc:$
{substr_0_4:$smtp_command_argument}}}{MSN}{yes}{no}}
accept condition = ${if eq {${uc:$
{substr_0_5:$smtp_command_argument}}}{PLAIN}{yes}{no}}
accept condition = ${if eq {${uc:$
{substr_0_8:$smtp_command_argument}}}{CRAM-MD5}{yes}{no}}
accept condition = ${if eq {${uc:$
{substr_0_5:$smtp_command_argument}}}{LOGIN}{yes}{no}}
deny message = AUTH LOGIN or AUTH PLAIN OR AUTH CRAM-MD5 OR
AUTH MSN is REQUIRED
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