Add a second period to new lines starting with one ('dot-stuffing'), as defined by RFC 5321 section 4.5.2, before sending mail via nssmptd.…
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Add a second period to new lines starting with one ('dot-stuffing'), as defined by RFC 5321 section 4.5.2, before sending mail via nssmptd.According to the RFC:- "Before sending a line of mail text, the SMTP client checks thefirst character of the line. If it is a period, one additional period is inserted atthe beginning of the line."- "When a line of mail text is received by the SMTP server, it checks the line. If theline is composed of a single period, it is treated as the end of mail indicator. Ifthe first character is a period and there are other characters on the line, the firstcharacter is deleted."This change adds the second period at the beginning of a line suggested in the firstparagraph, preventing nssmptd from deleting dots by acting as mentioned in the second one.In the case of lines comprised of just a single period, '::mime::qp_encode' already takescare of them by converting the '.' into '=2E', so they are not affected by this.
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